click

A brief, sharp, not particularly loud, relatively high-pitched sound produced by the impact of something small and hard against something hard, such as by the operation of a switch, a lock, or a latch.

As I turned the key, the lock gave a click and the door opened.

There was a click in the front sitting-room. Mr. Pearce had extinguished the lamp.

The act of snapping one's fingers.

An ingressive sound made by coarticulating a velar or uvular closure with another closure.

tsk is a click in English.

The sound made by a dolphin.

The act of operating a switch, etc., so that it clicks.

To cause to make a click; to operate (a switch, etc) so that it makes a click.

[Jove] clicked all his marble thumbs.

She clicked back the bolt which held the window sash.

To emit a click.

Surely that picture will be fixed for ever, for I heard the cameras clicking round me like crickets in a field.

To snap one's fingers.

To press and release (a button on a computer mouse).

To select a software item using, usually, but not always, the pressing of a mouse button.

The sound of a click.

Click! The door opened.