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An oblong frame let down vertically through the bottom of a vessel in order to deepen the draught and sustain against a side wind.
Definition source: English Wiktionary via Wiktextract
Topics: nautical, transport
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
a retractable fin keel used on sailboats to prevent drifting to leeward
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: centerboard, centreboard, drop keel
Antonyms: none provided
Broader terms: fin keel
Narrower terms: daggerboard
No etymology was provided for this word.