Botany. a hard or stony endocarp, as a peach stone.
a shell membrane.
- pu·tam·i·nous [pyoo-tam-uh-nuhs], /pyuˈtæm ə nəs/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use putamen in a sentence
The endocarp is usually hard, forming the stone (putamen) of the fruit, which encloses the kernel or seed.
Drupe globular; the thin crustaceous putamen hollowed out like a cup on one side.
Drupe with a 2-valved deciduous sarcocarp, or rind; and a deeply-wrinkled putamen or shell.Woodland Gleanings | Charles Tilt
British Dictionary definitions for putamen
the hard endocarp or stone of fruits such as the peach, plum, and cherry
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012