What is the meaning of Rover?

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.

A remotely-operated vehicle.

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.

A pirate.

A pirate ship.

robber

to order (give an order)

Source: wiktionary.org