verb

 

sound to make a short, sharp sound, or to use something to make this sound

The door clicked shut behind him.

 

computer to press on part of a computer mouse (= small computer control) to make the computer do something

To start the program, click on its icon.

 

people If two people click, they like each other immediately.

 

idea to suddenly understand something

Suddenly everything clicked and I realized where I'd met him.

 

noun

 

a short, sharp sound

the click of a switch