Meaning of boom


Pronunciation: (bm), [key]
— v.i.
  1. to make a deep, prolonged, resonant sound.
  2. to move with a resounding rush or great impetus.
  3. to progress, grow, or flourish vigorously, as a business or a city: Her business is booming since she enlarged the store.
  1. to give forth with a booming sound (often fol. by out): The clock boomed out nine.
  2. to boost; campaign for vigorously: His followers are booming George for mayor.
  1. a deep, prolonged, resonant sound.
  2. the resonant cry of a bird or animal.
  3. a buzzing, humming, or droning, as of a bee or beetle.
  4. a rapid increase in price, development, numbers, etc.: a boom in housing construction.
  5. a period of rapid economic growth, prosperity, high wages and prices, and relatively full employment.
  6. a rise in popularity, as of a political candidate.
  1. caused by or characteristic of a boom: boom prices.


Pronunciation: (bm), [key]
— n.
  1. any of various more or less horizontal spars or poles for extending the feet of sails, esp. fore-and-aft sails, for handling cargo, suspending mooring lines alongside a vessel, pushing a vessel away from wharves, etc.
    1. an outrigger used on certain aircraft for connecting the tail surfaces to the fuselage.
    2. a maneuverable and retractable pipe on a tanker aircraft for refueling another aircraft in flight.
    3. chord1 (def. 4).
  2. a chain, cable, series of connected floating timbers, or the like, serving to obstruct navigation, confine floating timber, etc.
  3. the area thus shut off.
  4. a spar or beam projecting from the mast of a derrick for supporting or guiding the weights to be lifted.
  5. (on a motion-picture or television stage) a spar or beam on a mobile crane for holding or manipulating a microphone or camera.
  6. to take decisive punitive action: The government has lowered the boom on tax evaders.
  1. to extend or position, as a sail (usually fol. by out or off&hasp;).
  2. to manipulate (an object) by or as by means of a crane or derrick.
  1. to sail at full speed.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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