(basketball) The flat vertical surface to which the basket is attached.

(tennis) A flat vertical wall with the image of a tennis net drawn or painted on it, designed to practice hitting against such that the ball rebounds.

(medicine) A spine board.

A board placed at the back of a cart, boat, etc.

(nautical) The port or larboard side of a ship

(medicine, transitive) To place (a patient) on a spine board.