A pirate.
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 randomly selected target.
A vagabond, a tramp, an unsteady, restless person, one who by habit doesn't settle down or marry.
A remotely-operated vehicle; ROV
A defensive back position whose coverage responsibilities are a hybrid of those of a cornerback, safety and linebacker.
One who roves, a wanderer, a nomad.
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 pirate ship.
A vehicle for exploring extraterrestrial bodies.
A zombie.
Something Z-shaped.
The name of the Latin-script letter Z.
Sleep.
To sleep or nap. (Compare zzz, catch some z's.)
To zigzag; to move with sharp alternating turns.