'barycenter' definitions:
Definition of 'barycenter'
From: WordNet
noun
(astronomy) the common center of mass around which two or more bodies revolve
Definition of 'barycenter'
From: GCIDE
- barycenter \barycenter\ n. the point representing the mean position of the matter in a body.
- Syn: centroid, center of mass. [WordNet 1.5]