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.
Example
“As I turned the key, the lock gave a click and the door opened.”
Other meanings
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.”
Example sentences
Where this comes from
This definition is adapted from “click” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above, published under CC BY-SA 4.0. This page is published under the same licence.