backboard noun 5verb 1forms 3 noun5 •The flat vertical surface to which the basket is attached. •A board placed at the back of a cart, boat, behind a signal, etc.The L.B.S.C.R. favoured backboards for signals wherever these helped visibility. The Great Eastern also made extensive use of backboards. — 1957 •A spine board. •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. •The port or larboard side of a shipAnd to delight in the fact that a hole on the backboard side means that you're safe because you're sitting on the starboard side seems to me to be less than clever. — 2013 verb1 •To place (a patient) on a spine board. formsbackboarded · backboarding · backboards
