autogyroautogyro means an aircraft in which lift is provided by unpowered rotating wings and thrust is provided by a conventional propeller. Lexicurio rates it Sui generis — a strength score of 85 out of 100.EtymologyFrom auto- and gyro-, from latinized forms of Ancient Greek αὐτο- (auto-, “self-”) and γῦρος (gûros, “circle, gyre”), a variant of earlier Spanish autogiro.nounAn aircraft in which lift is provided by unpowered rotating wings and thrust is provided by a conventional propeller.