pu·ta·men 
(py-tāmən)
(py-tāmən)n. pl. pu·tam·i·na (-tămə-nə)
1. The hard endocarp of certain fruits; pyrene.
2. The reddish, outermost, and largest of the three portions into which the lentiform nucleus of the brain is divided.
[Latin putāmen, that which falls off in pruning, shell, husk, from putāre, to prune; see pau-2 in the Appendix of Indo-European roots.]
putamenof a peach