What is "centre of buoyancy"

alt. (context nautical English) the point through which the resultant of all buoyant forces on an immersed hull are assumed to act; the centre of mass of the displaced water. n. (context nautical English) the point through which the resultant of all buoyant forces on an immersed hull are assumed to act; the centre of mass of the displaced water.

n. (physics) the center of mass of the immersed part of ship or other floating object [syn: center of buoyancy, center of immersion, centre of immersion]