blue jack

From The Collaborative International Dictionary of English v.0.48:

Jack \Jack\ (j[a^]k), n. [F. Jacques James, L. Jacobus, Gr. ?,
   Heb. Ya 'aq[=o]b Jacob; prop., seizing by the heel; hence, a
   supplanter. Cf. Jacobite, Jockey.]
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   1. A familiar nickname of, or substitute for, John.
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            You are John Rugby, and you are Jack Rugby. --Shak.
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   2. An impertinent or silly fellow; a simpleton; a boor; a
      clown; also, a servant; a rustic. "Jack fool." --Chaucer.
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            Since every Jack became a gentleman,
            There 's many a gentle person made a Jack. --Shak.
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   3. A popular colloquial name for a sailor; -- called also
      Jack tar, and Jack afloat.
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   4. A mechanical contrivance, an auxiliary machine, or a
      subordinate part of a machine, rendering convenient
      service, and often supplying the place of a boy or
      attendant who was commonly called Jack; as:
      (a) A device to pull off boots.
      (b) A sawhorse or sawbuck.
      (c) A machine or contrivance for turning a spit; a smoke
          jack, or kitchen jack.
      (b) (Mining) A wooden wedge for separating rocks rent by
      (e) (Knitting Machine) A lever for depressing the sinkers
          which push the loops down on the needles.
      (f) (Warping Machine) A grating to separate and guide the
          threads; a heck box.
      (g) (Spinning) A machine for twisting the sliver as it
          leaves the carding machine.
      (h) A compact, portable machine for planing metal.
      (i) A machine for slicking or pebbling leather.
      (k) A system of gearing driven by a horse power, for
          multiplying speed.
      (l) A hood or other device placed over a chimney or vent
          pipe, to prevent a back draught.
      (m) In the harpsichord, an intermediate piece
          communicating the action of the key to the quill; --
          called also hopper.
      (n) In hunting, the pan or frame holding the fuel of the
          torch used to attract game at night; also, the light
          itself. --C. Hallock.
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   5. A portable machine variously constructed, for exerting
      great pressure, or lifting or moving a heavy body such as
      an automobile through a small distance. It consists of a
      lever, screw, rack and pinion, hydraulic press, or any
      simple combination of mechanical powers, working in a
      compact pedestal or support and operated by a lever,
      crank, capstan bar, etc. The name is often given to a
      jackscrew, which is a kind of jack.
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   6. The small bowl used as a mark in the game of bowls.
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            Like an uninstructed bowler who thinks to attain the
            jack by delivering his bowl straight forward upon
            it.                                   --Sir W.
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   7. The male of certain animals, as of the ass.
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   8. (Zool.)
      (a) A young pike; a pickerel.
      (b) The jurel.
      (c) A large, California rock fish ({Sebastodes
          paucispinus}); -- called also boccaccio, and
      (d) The wall-eyed pike.
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   9. A drinking measure holding half a pint; also, one holding
      a quarter of a pint. [Prov. Eng.] --Halliwell.
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   10. (Naut.)
       (a) A flag, containing only the union, without the fly,
           usually hoisted on a jack staff at the bowsprit cap;
           -- called also union jack. The American jack is a
           small blue flag, with a star for each State.
       (b) A bar of iron athwart ships at a topgallant masthead,
           to support a royal mast, and give spread to the royal
           shrouds; -- called also jack crosstree. --R. H.
           Dana, Jr.
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   11. The knave of a suit of playing cards.

   12. (pl.) A game played with small (metallic, with
       tetrahedrally oriented spikes) objects (the jacks(1950+),
       formerly jackstones) that are tossed, caught, picked up,
       and arranged on a horizontal surface in various patterns;
       in the modern American game, the movements are
       accompanied by tossing or bouncing a rubber ball on the
       horizontal surface supporting the jacks. same as

   13. Money. [slang]

   14. Apple jack.

   15. Brandy.

   Note: Jack is used adjectively in various senses. It
         sometimes designates something cut short or diminished
         in size; as, a jack timber; a jack rafter; a jack arch,
         [1913 Webster]

   Jack arch, an arch of the thickness of one brick.

   Jack back (Brewing & Malt Vinegar Manuf.), a cistern which
      receives the wort. See under 1st Back.

   Jack block (Naut.), a block fixed in the topgallant or
      royal rigging, used for raising and lowering light masts
      and spars.

   Jack boots, boots reaching above the knee; -- worn in the
      17 century by soldiers; afterwards by fishermen, etc.

   Jack crosstree. (Naut.) See 10, b, above.

   Jack curlew (Zool.), the whimbrel.

   Jack frame. (Cotton Spinning) See 4
       (g), above.

   Jack Frost, frost or cold weather personified as a
      mischievous person.

   Jack hare, a male hare. --Cowper.

   Jack lamp, a lamp for still hunting and camp use. See def.
       (n.), above.

   Jack plane, a joiner's plane used for coarse work.

   Jack post, one of the posts which support the crank shaft
      of a deep-well-boring apparatus.

   Jack pot (Poker Playing), the name given to the stakes,
      contributions to which are made by each player
      successively, till such a hand is turned as shall take the
      "pot," which is the sum total of all the bets. See also

   Jack rabbit (Zool.), any one of several species of large
      American hares, having very large ears and long legs. The
      California species (Lepus Californicus), and that of
      Texas and New Mexico (Lepus callotis), have the tail
      black above, and the ears black at the tip. They do not
      become white in winter. The more northern prairie hare
      (Lepus campestris) has the upper side of the tail white,
      and in winter its fur becomes nearly white.

   Jack rafter (Arch.), in England, one of the shorter rafters
      used in constructing a hip or valley roof; in the United
      States, any secondary roof timber, as the common rafters
      resting on purlins in a trussed roof; also, one of the
      pieces simulating extended rafters, used under the eaves
      in some styles of building.

   Jack salmon (Zool.), the wall-eyed pike, or glasseye.

   Jack sauce, an impudent fellow. [Colloq. & Obs.]

   Jack shaft (Mach.), the first intermediate shaft, in a
      factory or mill, which receives power, through belts or
      gearing, from a prime mover, and transmits it, by the same
      means, to other intermediate shafts or to a line shaft.

   Jack sinker (Knitting Mach.), a thin iron plate operated by
      the jack to depress the loop of thread between two

   Jack snipe. (Zool.) See in the Vocabulary.

   Jack staff (Naut.), a staff fixed on the bowsprit cap, upon
      which the jack is hoisted.

   Jack timber (Arch.), any timber, as a rafter, rib, or
      studding, which, being intercepted, is shorter than the

   Jack towel, a towel hung on a roller for common use.

   Jack truss (Arch.), in a hip roof, a minor truss used where
      the roof has not its full section.

   Jack tree. (Bot.) See 1st Jack, n.

   Jack yard (Naut.), a short spar to extend a topsail beyond
      the gaff.
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   Blue jack, blue vitriol; sulphate of copper.

   Hydraulic jack, a jack used for lifting, pulling, or
      forcing, consisting of a compact portable hydrostatic
      press, with its pump and a reservoir containing a supply
      of liquid, as oil.

       (a) One called upon to take the place of another in an
       (b) An itinerant parson who conducts an occasional
           service for a fee.

   Jack-at-all-trades, one who can turn his hand to any kind
      of work.

   Jack-by-the-hedge (Bot.), a plant of the genus Erysimum
      (Erysimum alliaria, or Alliaria officinalis), which
      grows under hedges. It bears a white flower and has a
      taste not unlike garlic. Called also, in England,
      sauce-alone. --Eng. Cyc.

   Jack-in-office, an insolent fellow in authority. --Wolcott.

   Jack-in-the-bush (Bot.), a tropical shrub with red fruit
      (Cordia Cylindrostachya).

   Jack-in-the-green, a chimney sweep inclosed in a framework
      of boughs, carried in Mayday processions.

   Jack-of-the-buttery (Bot.), the stonecrop (Sedum acre).

   Jack-of-the-clock, a figure, usually of a man, on old
      clocks, which struck the time on the bell.

   Jack-on-both-sides, one who is or tries to be neutral.

   Jack-out-of-office, one who has been in office and is
      turned out. --Shak.

   Jack the Giant Killer, the hero of a well-known nursery

   Yellow Jack (Naut.), the yellow fever; also, the quarantine
      flag. See Yellow flag, under Flag.
      [1913 Webster]

From The Collaborative International Dictionary of English v.0.48:

Blue \Blue\ (bl[=u]), a. [Compar. Bluer (bl[=u]"[~e]r);
   superl. Bluest.] [OE. bla, blo, blew, blue, livid, black,
   fr.[=a]r livid; akin to Dan. blaa blue, Sw. bl[*a],
   D. blauw, OHG. bl[=a]o, G. blau; but influenced in form by F.
   bleu, from OHG. bl[=a]o.]
   1. Having the color of the clear sky, or a hue resembling it,
      whether lighter or darker; as, the deep, blue sea; as blue
      as a sapphire; blue violets. "The blue firmament."
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   2. Pale, without redness or glare, -- said of a flame; hence,
      of the color of burning brimstone, betokening the presence
      of ghosts or devils; as, the candle burns blue; the air
      was blue with oaths.
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   3. Low in spirits; melancholy; as, to feel blue.
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   4. Suited to produce low spirits; gloomy in prospect; as,
      thongs looked blue. [Colloq.]
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   5. Severe or over strict in morals; gloom; as, blue and sour
      religionists; suiting one who is over strict in morals;
      inculcating an impracticable, severe, or gloomy mortality;
      as, blue laws.
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   6. Literary; -- applied to women; -- an abbreviation of
      bluestocking. [Colloq.]
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            The ladies were very blue and well informed.
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   Blue asbestus. See Crocidolite.

   Blue black, of, or having, a very dark blue color, almost

   Blue blood. See under Blood.

   Blue buck (Zool.), a small South African antelope
      (Cephalophus pygm[ae]us); also applied to a larger
      species ([AE]goceras leucoph[ae]us); the blaubok.

   Blue cod (Zool.), the buffalo cod.

   Blue crab (Zool.), the common edible crab of the Atlantic
      coast of the United States (Callinectes hastatus).

   Blue curls (Bot.), a common plant ({Trichostema
      dichotomum}), resembling pennyroyal, and hence called also
      bastard pennyroyal.

   Blue devils, apparitions supposed to be seen by persons
      suffering with delirium tremens; hence, very low
      spirits. "Can Gumbo shut the hall door upon blue devils,
      or lay them all in a red sea of claret?" --Thackeray.

   Blue gage. See under Gage, a plum.

   Blue gum, an Australian myrtaceous tree ({Eucalyptus
      globulus}), of the loftiest proportions, now cultivated in
      tropical and warm temperate regions for its timber, and as
      a protection against malaria. The essential oil is
      beginning to be used in medicine. The timber is very
      useful. See Eucalyptus.

   Blue jack, Blue stone, blue vitriol; sulphate of copper.

   Blue jacket, a man-of war's man; a sailor wearing a naval

   Blue jaundice. See under Jaundice.

   Blue laws, a name first used in the eighteenth century to
      describe certain supposititious laws of extreme rigor
      reported to have been enacted in New Haven; hence, any
      puritanical laws. [U. S.]

   Blue light, a composition which burns with a brilliant blue
      flame; -- used in pyrotechnics and as a night signal at
      sea, and in military operations.

   Blue mantle (Her.), one of the four pursuivants of the
      English college of arms; -- so called from the color of
      his official robes.

   Blue mass, a preparation of mercury from which is formed
      the blue pill. --McElrath.

   Blue mold or Blue mould, the blue fungus ({Aspergillus
      glaucus}) which grows on cheese. --Brande & C.

   Blue Monday,
      (a) a Monday following a Sunday of dissipation, or itself
          given to dissipation (as the Monday before Lent).
      (b) a Monday considered as depressing because it is a
          workday in contrast to the relaxation of the weekend.

   Blue ointment (Med.), mercurial ointment.

   Blue Peter (British Marine), a blue flag with a white
      square in the center, used as a signal for sailing, to
      recall boats, etc. It is a corruption of blue repeater,
      one of the British signal flags.

   Blue pill. (Med.)
      (a) A pill of prepared mercury, used as an aperient, etc.
      (b) Blue mass.

   Blue ribbon.
      (a) The ribbon worn by members of the order of the Garter;
          -- hence, a member of that order.
      (b) Anything the attainment of which is an object of great
          ambition; a distinction; a prize. "These
          [scholarships] were the --blue ribbon of the college."
      (c) The distinctive badge of certain temperance or total
          abstinence organizations, as of the --Blue ribbon

   Blue ruin, utter ruin; also, gin. [Eng. Slang] --Carlyle.

   Blue spar (Min.), azure spar; lazulite. See Lazulite.

   Blue thrush (Zool.), a European and Asiatic thrush
      (Petrocossyphus cyaneas).

   Blue verditer. See Verditer.

   Blue vitriol (Chem.), sulphate of copper, a violet blue
      crystallized salt, used in electric batteries, calico
      printing, etc.

   Blue water, the open ocean.

   Big Blue, the International Business Machines corporation.
      [Wall Street slang.] PJC

   To look blue, to look disheartened or dejected.

   True blue, genuine and thorough; not modified, nor mixed;
      not spurious; specifically, of uncompromising
      Presbyterianism, blue being the color adopted by the
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            For his religion . . .
            'T was Presbyterian, true blue.       --Hudibras.
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