Webster’s Revised Unabridged Dictionary · 1913
Hypocarp
Hy′po·carp, Hy′po·car′pi·um, n. [NL. hypocarpium, fr. Gr. ὑπό beneath + καρπός fruit.] (Bot.) A fleshy enlargement of the receptacle, or for the stem, below the proper fruit, as in the cashew. See Illust. of Cashew.