(פ') להרעים; לרעוש

(ש"ע) רעש, שאון, בום ; שגשוג מהיר; זרוע של מקול; מנור הספינה

בום, זרוע ראשית
  

v. thunder; make noise

n. noise, din; rapid prosperity; long rod that carries a microphone from above and hangs over a movie or television set; horizontal mast of a sailing ship

n. pipe with attached nozzles for dispensing pesticides and herbicides spray from a tank

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Noun
1. a deep prolonged loud noise
(synonym) roar, roaring, thunder
(hypernym) noise
(derivation) boom out
2. a state of economic prosperity
(hypernym) prosperity
(derivation) prosper, thrive, get ahead, flourish, expand
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"
(synonym) bonanza, gold rush, gravy, godsend, manna from heaven, windfall, bunce
(hypernym) happening, occurrence, natural event
4. a pole carrying an overhead microphone projected over a film or tv set
(synonym) microphone boom
(hypernym) pole
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
(hypernym) spar
(part-holonym) sailing vessel, sailing ship

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Verb
1. make a resonant sound, like artillery; "His deep voice boomed through the hall"
(synonym) din
(hypernym) sound, go
(derivation) roar, roaring, thunder
2. hit hard; "He smashed a 3-run homer"
(synonym) smash, nail, blast
(hypernym) hit
3. be the case that thunder is being heard; "Whenever it thunders, my dog crawls under the bed"
(synonym) thunder
(entail) storm
4. make a deep hollow sound; "Her voice booms out the words of the song"
(synonym) boom out
(hypernym) sound, go
(derivation) roar, roaring, thunder
5. grow stronger; "The economy was booming"
(synonym) prosper, thrive, get ahead, flourish, expand
(hypernym) grow
(hyponym) revive

nm. boom, rapid prosperity

nm. boom, bandwagon