winter crookneck win·terc·rook·neck uncommon noun 1. any of various plants bearing squash having hard rinds and elongated recurved necks Synonymswinter crookneckwinter crookneck squashCucurbita moschata Related words Word family winter crookneck squash Broader terms winter squash Part of winter crookneck squash WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.