pumpkin UK /ˈpʌmpkɪn/US /ˈpʌm(p).kɪn/noun 6forms 1phrases 2 noun6 •a large round orange fruit with a hard skin, grown to be cooked and eaten •(US) A term of endearment for someone small and cute.You must be daddy’s little pumpkin. — 1991 •A domesticated plant, in species Cucurbita pepo, similar in growth pattern, foliage, flower, and fruit to the squash or melon.Nevertheless, the comprehensive comparative analysis of pumpkin viromes across various geographic regions by NGS remains deficient. — 2023 •(Australia) Any of a number of cultivars from the genus Cucurbita; known in the US as winter squash. •The typical color of the ripe fruit of the pumpkin plant. •(informal) The housing for a differential, built into an axle of a vehicle; the housing and its contents. formspumpkins Phrases with pumpkin pumpkin headA severe head injury resulting from a beating. turn into a pumpkinTo go to bed; to go to sleep (especially at, or around midnight).