1. (noun)device an instrumentality invented for a particularpurpose "the device is small enough to wear on your wrist"; "a device intended to conserve water"
2. (noun)device something in an artistic work designed to achieve a particulareffect
3. (noun)device, gimmick, twist any clever maneuver "he would stoop to any device to win a point"; "it was a great sales gimmick"; "a cheap promotions gimmick for greedy businessmen"
Definition of 'device'
