cu·shaw \kəˈshȯ, ku̇ˈ-, ˈküˌshȯ, ˈku̇ˌshȯ\noun alsoca·shaw\kəˈshȯ\ (-s) Etymology: perhaps of Algonquian origin; akin to escushaw it is green (in some Algonquian language of Virginia) : winter crookneck; especially: one (as a butternut squash) having the body of the fruit much enlarged