Pump″kin (?), n. [For older pompion, pompon, OF. pompon, L. pepo, peponis, Gr. �, properly, cooked by the sun, ripe, mellow; — so called because not eaten till ripe. Cf. Cook, n.] (Bot.) A well-known trailing plant (Cucurbita pepo) and its fruit, — used for cooking and for feeding stock; a pompion.
Pumpkin seed. (a) The flattish oval seed of the pumpkin. (b) (Zoöl.) The common pondfish.