pyüˈtāmə̇n noun
( plural putam·i·na -tamənə)
Etymology: New Latin, from Latin, that which falls off in pruning, shells, peels, from putare to cut, prune — more at pave
1. : an outer reddish layer of gray matter in the lenticular nucleus
2. : a tough membrane that lines the shell of a birds's eggs
• pu·tam·i·nous -tamənəs adjective