Akademik

1. noun /ˈbʌ.ʔn̩/

a) A knob or disc that is passed through a loop or (buttonhole), serving as a fastener.

b) A mechanical device meant to be pressed with a finger in order to open or close an electric circuit or to activate a mechanism.

2. verb /ˈbʌ.ʔn̩/

To fasten with a button.