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Noun: sliding keel  slI-ding keel
Usage: Brit
  1. A retractable fin keel used on sailboats to prevent drifting to leeward
    - centerboard [US], centreboard [Brit, Cdn], drop keel

Derived forms: sliding keels

Type of: fin keel

Part of: sailboat [N. Amer], sailing boat [Brit]