(n) :
a knob or disc that is passed through a slit (buttonhole) in the adjacent material, serving as a fastener; a mechanical device meant to be pressed with a finger in order to open or close an electric circuit or to activate a mechanism
"april fastened the buttons of her overcoat to keep out the wind."
(n) :
a knob or disc that is passed through a slit (buttonhole) in the adjacent material, serving as a fastener; a mechanical device meant to be pressed with a finger in order to open or close an electric circuit or to activate a mechanism
"april fastened the buttons of her overcoat to keep out the wind."