GNU Collaborative International Dictionary of English

last match results

Found 5 definitions

1.       
   Boom (bo͞om), 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.”
   
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   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.
   
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   3. A pole with a conspicuous top, set up to mark the channel in a river or harbor. [Obs.]
   
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   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.
   
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   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.
   
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   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.
   
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2.       
   Boom (bo͞om), v. t. (Naut.) To extend, or push, with a boom or pole; as, “to boom out a sail; to boom off a boat”.
   
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3.       
   Boom (bo͞om), 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.
   
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   At eve the beetle boometh
   
   Athwart the thicket lone. Tennyson.
   
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   2. To make a hollow sound, as of waves or cannon.
   
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   Alarm guns booming through the night air. W. Irving.
   
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   3. To rush with violence and noise, as a ship under a press of sail, before a free wind.
   
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   She comes booming down before it. Totten.
   
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   4. To have a rapid growth in market value or in popular favor; to go on rushingly.
   
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4.       
   Boom, n.
   1. A hollow roar, as of waves or cannon; also, the hollow cry of the bittern; a booming.
   
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   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.]
   
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5.       
   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.]
   
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