- Nautical. any of various more or less horizontal spars or poles for extending the feet of sails, especially fore-and-aft sails, for handling cargo, suspending mooring lines alongside a vessel, pushing a vessel away from wharves, etc.
- an outrigger used on certain aircraft for connecting the tail surfaces to the fuselage.
- a maneuverable and retractable pipe on a tanker aircraft for refueling another aircraft in flight.
- chord1(def 4).
- a chain, cable, series of connected floating timbers, or the like, serving to obstruct navigation, confine floating timber, etc.
- the area thus shut off.
- Machinery. a spar or beam projecting from the mast of a derrick for supporting or guiding the weights to be lifted.
- (on a motion-picture or television stage) a spar or beam on a mobile crane for holding or manipulating a microphone or camera.
- to extend or position, as a sail (usually followed by out or off).
- to manipulate (an object) by or as by means of a crane or derrick.
- to sail at full speed.
- lower the boom, to take decisive punitive action: The government has lowered the boom on tax evaders.
Origin of boom2
- to make a deep prolonged resonant sound, as of thunder or artillery fire
- to prosper or cause to prosper vigorously and rapidlybusiness boomed
- a deep prolonged resonant soundthe boom of the sea
- the cry of certain animals, esp the bittern
- a period of high economic growth characterized by rising wages, profits, and prices, full employment, and high levels of investment, trade, and other economic activityCompare depression (def. 5)
- any similar period of high activity
- the activity itselfa baby boom
- nautical a spar to which a sail is fastened to control its position relative to the wind
- a beam or spar pivoting at the foot of the mast of a derrick, controlling the distance from the mast at which a load is lifted or lowered
- a pole, usually extensible, carrying an overhead microphone and projected over a film or television set
- a barrier across a waterway, usually consisting of a chain of connected floating logs, to confine free-floating logs, protect a harbour from attack, etc
- the area so barred off
Word Origin and History for lower the boom
mid-15c., earliest use was for bees and wasps, probably echoic of humming. The meaning "make a loud noise" is 15c. Cf. bomb. Meaning "to burst into prosperity" (of places, businesses, etc.) is 1871, American English. Related: Boomed; booming. Boom box first attested 1978.
"long pole," 1540s, from Scottish boun, borrowed from Dutch boom "tree, pole, beam," from a Middle Dutch word analogous to Old English beam (see beam (n.)).
Idioms and Phrases with lower the boom
see lower the boom.