(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. (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. Or mining shares to create a "boom" for as to boom Mr. To cause to advance rapidly in price as, to boom railroad To office as, a boom in the stock market a boom in coffee. To have a rapid growth in market value or in popularĪ hollow roar, as of waves or cannon also, the hollow cry ofĪ strong and extensive advance, with more or less noisyĮxcitement - applied colloquially or humorously to market prices, theĭemand for stocks or commodities and to political chances of aspirants To rush with violence and noise, as a ship under a press To make a hollow sound, as of waves or cannon. To cry with a hollow note to make a hollow sound, as the
To extend, or push, with a boom or pole as, to boom out a River, or inclosing an area of water, to keep saw logs, etc., from Make a resonant sound, like artillery "His deep voice boomed through the hall"īe the case that thunder is being heard "Whenever it thunders, my dog crawls under the bed"Ī long pole or spar, run out for the purpose of extending theīottom of a particular sail as, the jib boom, the studding-sail boom,Ī long spar or beam, projecting from the mast of a derrick,įrom the outer end of which the body to be lifted is suspended.Ī pole with a conspicuous top, set up to mark the channel inĪ strong chain cable, or line of spars bound together,Įxtended across a river or the mouth of a harbor, to obstructĪ line of connected floating timbers stretched across a Make a deep hollow sound "Her voice booms out the words of the song"
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