Rover meaning : (usually in the plural) A randomly selected target. One who roves, a wanderer, a nomad. A vagabond, a tramp, an unsteady, restless person, one who by habit doesn't settle down or marry. A vehicle for exploring extraterrestrial bodies. (Australian Rules football) A position that is one of three of a team's followers, who follow the ball around the ground. Formerly a position for short players, rovers in professional leagues are frequently over 183 cm (6'). A defensive back position whose coverage responsibilities are a hybrid of those of a cornerback, safety and linebacker. A ball which has passed through all the hoops and would go out if it hit the stake but is continued in play; also, the player of such a ball. The tenth defensive player in slow-pitch softball. A sort of arrow.