(Science: botany) A well-known trailing plant (Cucurbita pepo) and its fruit, used for cooking and for feeding stock; a pompion. Pumpkin seed. The flattish oval seed of the pumpkin.
(Science: zoology) The common pondfish.
Origin: 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.