n. 1 any of various plants of the genus Cucurbita, esp. c. maxima, with large lobed leaves and tendrils. 2 the large rounded yellow fruit of this with a thick rind and edible flesh.
[ alt. f. earlier pompon, pumpion f. obs. F po(m)pon f. L pepo -onis f. Gk pepon large melon: see PEPO ]