prairie gourd n 1: small hard green-and-white inedible fruit of the prairie gourd plant 2: perennial vine of dry parts of central and southwestern United States and Mexico having small hard mottled green inedible fruit [syn: {prairie gourd}, {prairie gourd vine}, {Missouri gourd}, {wild pumpkin}, {buffalo gourd}, {calabazilla}, {Cucurbita foetidissima}]