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.
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.
3. A pole with a conspicuous top, set up to mark the channel in a river or harbor. [Obs.]
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.
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.
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.
Boom v. t. Naut. To extend, or push, with a boom or pole; as, to boom out a sail; to boom off a boat.
Boom v. i. [imp. & p. p. Boomed p. pr. & vb. n. Booming.]
1. To cry with a hollow note; to make a hollow sound, as the bittern, and some insects.
At eve the beetle boometh
Athwart the thicket lone. --Tennyson.
2. To make a hollow sound, as of waves or cannon.
Alarm guns booming through the night air. --W. Irving.
3. To rush with violence and noise, as a ship under a press of sail, before a free wind.
She comes booming down before it. --Totten.
4. To have a rapid growth in market value or in popular favor; to go on rushingly.
1. A hollow roar, as of waves or cannon; also, the hollow cry of the bittern; a booming.
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.]
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.]
n 1: a deep prolonged loud noise [syn: roar, roaring, thunder]
2: a state of economic prosperity
3: a sudden happening that brings good fortune (as a sudden
opportunity to make money); "the demand for testing has
created a boom for those unregulated laboratories where
boxes of specimen jars are processed lik an assembly line"
[syn: bonanza, gold rush, gravy, godsend, manna
from heaven, windfall, bunce]
4: a pole carrying an overhead microphone projected over a film
or tv set [syn: microphone boom]
5: any of various more-or-less horizontal spars or poles used
to extend the foot of a sail or for handling cargo or in
v 1: make a resonant sound, like artillery; "His deep voice
boomed through the hall" [syn: din]
2: hit hard; "He smashed a 3-run homer" [syn: smash, nail,
3: be the case that thunder is being heard; "Whenever it
thunders, my dog crawls under the bed" [syn: thunder]
4: make a deep hollow sound; "Her voice booms out the words of
the song" [syn: boom out]
5: grow stronger; "The economy was booming" [syn: prosper, thrive,
get ahead, flourish, expand]