plumb


From The Collaborative International Dictionary of English v.0.48:

Plumb \Plumb\ (pl[u^]m), n. [F. plomb, L. plumbum lead, a leaden
   ball or bullet; cf. Gr. mo`lybos, mo`libos, mo`lybdos. Cf.
   Plummet, Plunge.]
   A little mass or weight of lead, or the like, attached to a
   line, and used by builders, etc., to indicate a vertical
   direction; a plummet; a plumb bob. See Plumb line, below.
   [1913 Webster]

   Plumb bob. See Bob, 4.

   Plumb joint, in sheet-metal work, a lap joint, fastened by
      solder.

   Plumb level. See under Level.

   Plumb line.
   (a) The cord by which a plumb bob is suspended; a plummet.
   (b) A line directed to the center of gravity of the earth.

   Plumb rule, a narrow board with a plumb line, used by
      builders and carpenters.
      [1913 Webster]
.

From The Collaborative International Dictionary of English v.0.48:

Plumb \Plumb\, a.
   Perpendicular; vertical; conforming the direction of a line
   attached to a plumb; as, the wall is plumb.
   [1913 Webster]
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From The Collaborative International Dictionary of English v.0.48:

Plumb \Plumb\, adv.
   In a plumb direction; perpendicularly. "Plumb down he falls."
   --Milton.
   [1913 Webster]
.

From The Collaborative International Dictionary of English v.0.48:

Plumb \Plumb\, v. t. [imp. & p. p. Plumbed (pl[u^]md); p. pr.
   & vb. n. Plumbing (pl[u^]m"[i^]ng).]
   1. To adjust by a plumb line; to cause to be perpendicular;
      as, to plumb a building or a wall.
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   2. To sound with a plumb or plummet, as the depth of water;
      hence, to examine by test; to ascertain the depth,
      quality, dimension, etc.; to sound; to fathom; to test.
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            He did not attempt to plumb his intellect. --Ld.
                                                  Lytton.
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   3. To seal with lead; as, to plumb a drainpipe.
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   4. To supply, as a building, with a system of plumbing.
      [1913 Webster]
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