1. the point within something at which gravity can be considered to act; in uniform gravity it is equal to the center of mass; [syn: center of gravity, centre of gravity]
WordNet (r) 3.0 (2006):
centre of gravity
n 1: the point within something at which gravity can be
considered to act; in uniform gravity it is equal to the
center of mass [syn: center of gravity, centre of
gravity]