Dictionary definitions
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boom
From The Collaborative International Dictionary of English v.0.48:
Boom \Boom\, n.
1. A hollow roar, as of waves or cannon; also, the hollow cry
of the bittern; a booming.
[1913 Webster]
2. A strong and extensive advance, with more or less noisy
excitement; -- applied colloquially or humorously to
market prices, the demand for stocks or commodities and to
political chances of aspirants to office; as, a boom in
the stock market; a boom in coffee. [Colloq. U. S.]
[1913 Webster]
.
From The Collaborative International Dictionary of English v.0.48:
Boom \Boom\, v. t. To cause to advance rapidly in price; as, to boom railroad or mining shares; to create a "boom" for; as to boom Mr. C. for senator. [Colloq. U. S.] [1913 Webster] .
From The Collaborative International Dictionary of English v.0.48:
Boom \Boom\ (b[=oo]m), v. t. (Naut.) To extend, or push, with a boom or pole; as, to boom out a sail; to boom off a boat. [1913 Webster] .
From The Collaborative International Dictionary of English v.0.48:
Boom \Boom\ (b[=oo]m), v. i. [imp. & p. p. Boomed, p. pr. & vb. n. Booming.] [Of imitative origin; cf. OE. bommen to hum, D. bommen to drum, sound as an empty barrel, also W. bwmp a hollow sound; aderyn y bwmp, the bird of the hollow sound, i. e., the bittern. Cf. Bum, Bump, v. i., Bomb, v. i.] 1. To cry with a hollow note; to make a hollow sound, as the bittern, and some insects. [1913 Webster] At eve the beetle boometh Athwart the thicket lone. --Tennyson. [1913 Webster] 2. To make a hollow sound, as of waves or cannon. [1913 Webster] Alarm guns booming through the night air. --W. Irving. [1913 Webster] 3. To rush with violence and noise, as a ship under a press of sail, before a free wind. [1913 Webster] She comes booming down before it. --Totten. [1913 Webster] 4. To have a rapid growth in market value or in popular favor; to go on rushingly. [1913 Webster] .
From The Collaborative International Dictionary of English v.0.48:
Boom \Boom\ (b[=oo]m), n. [D. boom tree, pole, beam, bar. See Beam.] 1. (Naut.) A long pole or spar, run out for the purpose of extending the bottom of a particular sail; as, the jib boom, the studding-sail boom, etc. [1913 Webster] 2. (Mech.) A long spar or beam, projecting from the mast of a derrick, from the outer end of which the body to be lifted is suspended. [1913 Webster] 3. A pole with a conspicuous top, set up to mark the channel in a river or harbor. [Obs.] [1913 Webster] 4. (Mil. & Naval) A strong chain cable, or line of spars bound together, extended across a river or the mouth of a harbor, to obstruct navigation or passage. [1913 Webster] 5. (Lumbering) A line of connected floating timbers stretched across a river, or inclosing an area of water, to keep saw logs, etc., from floating away. [1913 Webster] Boom iron, one of the iron rings on the yards through which the studding-sail booms traverse. The booms, that space on the upper deck of a ship between the foremast and mainmast, where the boats, spare spars, etc., are stowed. --Totten. [1913 Webster]

