Any of several varieties of summer squash with a long, curved neck that is slightly more slender than the bulbous base. Crookneck squash have a light to deep yellow skin that can range in texture from almost smooth when quite young to slightly bumpy as the squash matures. The creamy-yellow flesh has a mild, delicate flavor. Crooknecks average from 8 to 10 inches long, but are best when a youthful 6 inches. Choose firm squash with no sign of shriveling; the skin should be easily pierced with a fingernail. See also squash.