WordNet (r) 3.0 (2006):

cushaw
    n 1: plant bearing squash having globose to ovoid fruit with
         variously striped grey and green and white warty rinds
         [syn: cushaw, Cucurbita mixta, Cucurbita
         argyrosperma]
    2: globose or ovoid squash with striped grey and green warty
       rind