What is the meaning of Evil_eye?

A wicked look conveying dislike or envy that in many cultures is believed to be able to cause bad luck or injury; also, the ability to cause bad luck or injury through such a look, supposed to be possessed by some people.

The charm used to ward off the evil eye; a nazar.

A look conveying disapproval, envy, hostility, etc.

Source: wiktionary.org