(aviation) The point in an aircraft's flight when there is insufficient fuel to reverse direction and return to the place of origin.

(travel) A ticket granting permission to travel to a place and return.

plural of return ticket

(cosmology, religion, philosophy) Eternal recurrence.

(tennis) A point made by the opponent returning the ball in such a way that the server does not make contact

plural of return ace

(mechanics) The spring that returns a door handle or knob to its original position when rotated.

(American football) A player on the receiving side whose primary job is to catch the football during a kickoff and carry the ball.

plural of punt returner

(American football) A player on the receiving team whose primary job is to catch the football during a punt and carry the ball.