function key

noun

1. a key on a computer keyboard or terminal that, when pressed, alone or in combination with other keys, causes a specific computational or mechanical operation to be carried out.

function key

noun

1. computing a key on the keyboard of a microcomputer, etc. that gives special commands to the computer

Example Sentences

All of its “missing” keys are accessible via a function key on the bottom right of the keyboard, but having to press two keys just to access arrow keys is tiresome, and it only gets worse when you need to add more modifiers.

From The Verge

You can switch between performance profiles by holding the Function key and pressing the Q key.

From The Verge

The Huntsman Mini uses function key modifiers in lieu of arrows or media controls, but the PBT keycaps have side printing to show you the hidden layers.

From The Verge

Its print screen button, meanwhile, is hidden behind a function key.

From The Verge

For instance, the num lock is too easy to press accidentally, being right next to backspace, and the only function key is located too far away from the most essential function row buttons, making it a stretch to adjust the volume one-handed.

From The Verge