Reverse  —v. (-sing) 1 turn the other way round or up or inside out. 2 change to the opposite character or effect. 3 (cause to) travel backwards. 4 make (an engine etc.) Work in a contrary direction. 5 revoke or annul (a decree, act, etc.). —adj. 1 backwards or upside down. 2 opposite or contrary in character or order; inverted. —n. 1 opposite or contrary (the reverse is the case). 2 contrary of the usual manner (printed in reverse). 3 piece of misfortune; disaster; defeat. 4 reverse gear or motion. 5 reverse side. 6 side of a coin etc. Bearing the secondary design. 7 verso of a printed leaf.  reverse arms hold a rifle with the butt upwards. Reverse the charges have the recipient of a telephone call pay for it.  reversal n. Reversible adj. [latin verto vers- turn]