Tra từ centreboard - Từ điển WordNet v3.1

Từ điển WordNet v3.1 - WordNet Dictionary

centreboard

noun

a retractable fin keel used on sailboats to prevent drifting to leeward
• Syn:
centerboard, drop keel, sliding keel
• Hypernyms:
fin keel
• Hyponyms:
daggerboard
• Part Holonyms:
sailboat, sailing boat