device

Noun

• an emblematic design (especially in heraldry)
  • he was recognized by the device on his shield
    

• any ornamental pattern or design (as in embroidery)

• 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
    

• something in an artistic work designed to achieve a particular effect

• an instrumentality invented for a particular purpose
  • the device is small enough to wear on your wrist
    
  • a device intended to conserve water
    

Related words

• Synonyms: 
  gimmick , twist