"pumpkin" in the noun sense
1. pumpkin, pumpkin vine, autumn pumpkin, Cucurbita pepo
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
2. pumpkin
usually large pulpy deep-yellow round fruit of the squash family maturing in late summer or early autumn
Source: WordNet® (An amazing lexical database of English)
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