{ ‖ } n. [ NL. hypocarpium, fr. Gr. "ypo` beneath + &unr_; fruit.] (Bot.) A fleshy enlargement of the receptacle, or for the stem, below the proper fruit, as in the cashew. See Illust. of Cashew. [1913 Webster]

a. [ Pref. hypo- + Gr. &unr_; fruit + &unr_; earth. ] (Bot.) Producing fruit below the ground. [ 1913 Webster ]