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| boom [ boom ] (plural booms) |
noun |
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| Definition: |
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1. movies tv extendable overhead pole: an extendable pole carrying overhead equipment such as a camera for positioning over a television or movie set
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2. sailing beam holding sail at angle: a beam to which the bottom edge of a sail is attached in order to hold the sail at an advantageous angle to the wind
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3. military industry floating barrier: a floating barrier used to confine or restrict something, e.g. a barrier to protect a harbor from attack or to confine an oil spill
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4. freight pole used to move cargo: a long pole extending from the mast of a derrick to lift or lower cargo
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5. aviation connecting spar for aircraft: a spar that connects the tail and the fuselage in some aircraft
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| [Mid-16th century. < Dutch, "beam, pole"] |
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lower the boom to initiate action to prevent something or punish somebody (informal)
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