Search Result for "barycenter": 
Wordnet 3.0

NOUN (1)

1. (astronomy) the common center of mass around which two or more bodies revolve; 



The Collaborative International Dictionary of English v.0.48:

barycenter \barycenter\ n.
   the point representing the mean position of the matter in a
   body.

   Syn: centroid, center of mass.
        [WordNet 1.5]


WordNet (r) 3.0 (2006):

barycenter
    n 1: (astronomy) the common center of mass around which two or
         more bodies revolve