/met"euh sen'teuhr/ , n. Naval Archit.
the intersection between two vertical lines, one through the center of buoyancy of a hull in equilibrium, the other through the center of buoyancy when the hull is inclined slightly to one side or toward one end: the distance of this intersection above the center of gravity is an indication of the initial stability of the hull.
Also, esp. Brit., metacentre .
[ 1785-95; métacentre. See META-, CENTER ]