Search Result for "basal ganglion":
Wordnet 3.0

NOUN (1)

1. any of several masses of subcortical grey matter at the base of each cerebral hemisphere that seem to be involved in the regulation of voluntary movement; 



WordNet (r) 3.0 (2006):

basal ganglion
    n 1: any of several masses of subcortical grey matter at the
         base of each cerebral hemisphere that seem to be involved
         in the regulation of voluntary movement