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drop keel

 - 3 dictionary results

cen⋅ter⋅board

[sen-ter-bawrd, -bohrd]
–noun Nautical.
a pivoted fin keel that can be swung upward and aft within a watertight trunk when not in use.
Also called drop keel.
Compare daggerboard.


Origin:
1840–50, Americanism; center + board
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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drop keel

noun
a retractable fin keel used on sailboats to prevent drifting to leeward [syn: centerboard
WordNet® 3.0, © 2006 by Princeton University.
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