Also found in: Thesaurus.
Switch to new thesaurus
|Noun||1.||drop keel - a retractable fin keel used on sailboats to prevent drifting to leeward|
daggerboard - a removable centerboard on a small sailboat that can be lowered into the water to serve as a keel
fin keel - a metal plate projecting from the keel of a shallow vessel to give it greater lateral stability