device

noun

1. 1

   any clever maneuver

   he would stoop to any device to win a point

   it was a great sales gimmick

2. 2

   an instrumentality invented for a particular purpose

   the device is small enough to wear on your wrist

   a device intended to conserve water

3. 3

   an emblematic design (especially in heraldry)

   he was recognized by the device on his shield

4. 4

   any ornamental pattern or design (as in embroidery)

5. 5

   something in an artistic work designed to achieve a particular effect