summer squash

noun
  1. any of several squashes of the variety Cucurbita pepo melopepo, that mature in the late summer or early autumn and are used as a vegetable in an unripe state, before the rind and seeds become hard.

Origin of summer squash

First recorded in 1745–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018