definition of
device

[1] #1 device n. an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water". wn

[2] #2 device n. something in an artistic work designed to achieve a particular effect. wn

[3] #3 device n. [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". wn

[4] #4 device n. any ornamental pattern or design (as in embroidery). wn

[5] #5 device n. an emblematic design (especially in heraldry); "he was recognized by the device on his shield". wn