click
noun
°A brief, sharp, not particularly loud, relatively high-pitched sound produced by the impact something small and hard against something hard, such as by the operation of a switch, a lock or a latch, or a finger pressed against the thumb and then released to strike the hand.
"I turned the key, the lock gave a click and the door opened."
°(phonetics) An ingressive sound made by coarticulating a velar or uvular closure with another closure.
verb
°To cause to make a click, eg to operate (a switch, etc) so that it makes a click.
°(direct and indirect) To press and release (a button on a computer mouse).
interjection
°The sound of a click.