Boom - Definition

n 1: a deep prolonged loud noise [syn: boom, 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 like an assembly line" [syn:
boom, 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: boom, 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 mooring
v 1: make a resonant sound, like artillery; "His deep voice
boomed through the hall" [syn: boom, din]
2: hit hard; "He smashed a 3-run homer" [syn: smash, nail,
boom, blast]
3: be the case that thunder is being heard; "Whenever it
thunders, my dog crawls under the bed" [syn: thunder,
boom]
4: make a deep hollow sound; "Her voice booms out the words of
the song" [syn: boom, boom out]
5: grow vigorously; "The deer population in this town is
thriving"; "business is booming" [syn: boom, thrive,
flourish, expand]