key
nounfeminine/ˈtɛklɐ/high
te·cla
Definition
Each of the movable parts on a keyboard instrument (piano, organ) or an input device (typewriter, computer) that, when pressed, produces a sound or a command.
The 'Shift' key on my keyboard is not working properly.
She gently pressed the black keys of the piano.
Common collocations
piano keycomputer keyEnter keypress a key
Etymology
Do latim 'theca' ('estojo'), pelo francês 'touche'.