Meaning of BOOM in English



Function: noun

Etymology: Dutch, tree, beam; akin to Old High German boum tree ― more at BEAM

Date: 1627

1 : a long spar used to extend the foot of a sail

2 a : a chain or line of connected floating timbers extended across a river, lake, or harbor (as to obstruct passage or catch floating objects) b : a temporary floating barrier used to contain an oil spill

3 a : a long beam projecting from the mast of a derrick to support or guide cargo b : a long more or less horizontal supporting arm or brace (as for holding a microphone or for supporting an antenna)

4 : a spar or outrigger connecting the tail surfaces and the main supporting structure of an aircraft

Merriam Webster Collegiate English Dictionary.      Merriam Webster - Энциклопедический словарь английского языка.