pumpkin (Noun) — A coarse vine widely cultivated for its large pulpy round orange fruit with firm orange skin and numerous seeds; subspecies of Cucurbita pepo include the summer squashes and a few autumn squashes.
pumpkin (Noun) — Usually large pulpy deep-yellow round fruit of the squash family maturing in late summer or early autumn.
pumpkin (Noun) — A term of endearment for someone small and cute.