'Putamen' definitions:

Definition of 'putamen'

(from WordNet)
noun
The outer reddish part of the lenticular nucleus

Definition of 'Putamen'

From: GCIDE
  • Putamen \Pu*ta"men\, n. [L.] (Bot.) The shell of a nut; the stone of a drupe fruit. See Endocarp. [1913 Webster]