pumpkin Definition

a fruit of any of various cultivars of herbaceous plants (Cucurbita pepo, C. maxima, C. moschata, and C. mixta synonym C. argyrosperma) of the gourd family that is typically round and orange but may be another color or shape, that has a hard usually smooth skin with shallow longitudinal grooves, and that is grown for ornamental use or for its fibrous pale flesh used especially in baking or as feed for livestock

any of several annual chiefly trailing American plants that bear pumpkins

a strong orange color

kabocha

a winter squash (Curcubita maxima) of Japanese origin that is round with somewhat flattened top and bottom, typically dark green skin usually streaked or mottled with pale green, and yellowish-orange sweet flesh —called also Japanese pumpkin