Quick definitions from WordNet (winter squash)
▸ noun: any of various fruits of the gourd family with thick rinds and edible yellow to orange flesh that mature in the fall and can be stored for several months
▸ noun: any of various plants of the species Cucurbita maxima and Cucurbita moschata producing squashes that have hard rinds and mature in the fall
▸ noun: any of various fruits of the gourd family with thick rinds and edible yellow to orange flesh that mature in the fall and can be stored for several months
▸ noun: any of various plants of the species Cucurbita maxima and Cucurbita moschata producing squashes that have hard rinds and mature in the fall