• WordNet 3.6
    • n putamen the outer reddish part of the lenticular nucleus
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Webster's Revised Unabridged Dictionary
    • n Putamen (Bot) The shell of a nut; the stone of a drupe fruit. See Endocarp.
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Century Dictionary and Cyclopedia
    • n putamen In botany, the endocarp of a fruit when hard and stony; the shell of a nut, or the stone of a stone-fruit or drupe; also, one of the pyrenæ or apparent seeds of some drupes. See drupe and endocarp, and cut under drupe.
    • n putamen In ornithology, the soft shell of an egg; a last layer of tough tenacious albumen deposited upon the soft white of the egg, forming a membrane in and upon which the hard shell is deposited.
    • n putamen In anatomy, the outer zone of gray matter of the lenticular part of the corpus striatum of the brain. The claustrum separates the putamen from the cortex of the brain.
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Chambers's Twentieth Century Dictionary
    • n Putamen pū-tā′men the hard bony stone of some fruits—cherry, peach, &c.: the soft shell of an egg: the outer and darker portion of the lenticular nucleus of the brain.
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Webster's Revised Unabridged Dictionary
Chambers's Twentieth Century Dictionary
L.,—putāre, to prune.


In literature:

The endocarp is usually hard, forming the stone (putamen) of the fruit, which encloses the kernel or seed.
"Encyclopaedia Britannica, 11th Edition, Volume 11, Slice 3" by Various
Drupe globular; the thin crustaceous putamen hollowed out like a cup on one side.
"The Manual of the Botany of the Northern United States" by Asa Gray