A piece of ornamental jewellery having a pin allowing it to be fixed to garments worn on the upper body.
A painting all of one colour, such as a sepia painting.
To adorn as with a brooch.
An item carried on a key ring either as decoration or security.
A passive wireless electronic device that usually uses RFID technology to control access to buildings, containers, computers, etc. by being placed near a detector.
An active wireless electronic device that controls access to buildings or vehicles, such as a remote control for a car door lock.