Student Dictionary

6 entries found for boom.
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Main Entry: 1boom
Pronunciation: primarystressbüm
Function: noun
Etymology: from Dutch boom "tree, wooden beam"
1 : a long pole used especially to stretch the bottom of a sail
2 a : a long beam sticking out from the mast of a derrick to support or guide something that is being lifted b : a long arm used to move a microphone
3 : a line of connected floating timbers (as across a river) to obstruct passage or catch floating objects

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