fin keel

fin keel

n

(Transport / Nautical Terms) a projection from the keel of a vessel to give it additional stability

Thesaurus

Noun

1.

fin keel - a metal plate projecting from the keel of a shallow vessel to give it greater lateral stability centerboard, centreboard, drop keel, sliding keel - a retractable fin keel used on sailboats to prevent drifting to leeward keel - one of the main longitudinal beams (or plates) of the hull of a vessel; can extend vertically into the water to provide lateral stability plate - a sheet of metal or wood or glass or plastic