button

One who adjusts, especially for the insurance industry's employment title "loss adjuster" (or "claims adjuster" in the United States).

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

"April fastened the buttons of her overcoat to keep out the wind."

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

"Pat pushed the button marked "shred" on the blender."

An on-screen control that can be selected as an activator of an attached function.

"Click the button that looks like a house to return to your browser's home page."

In a violin-family instrument, the carved wooden plug which sits in the bottom block of the instrument.