Definition of fin keel Fin keel

We found 2 definitions of fin keel from 2 different sources.

What does fin keel mean?

Noun
fin keel - a metal plate projecting from the keel of a shallow vessel to give it greater lateral stability
		plate dish on which food is served or from which food is eaten
		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