What is the meaning of Cheater?

Someone who cheats; something that cheats.

Synonym of adulterer.

Something that a person uses while cheating (i.e., either literally or figuratively cheating).

An improvised breaker bar made from a length of pipe and a wrench (spanner), usually used to free screws, bolts, etc. that are difficult to remove with a ratchet or wrench alone.

Any of various auxiliary lenses added to the visor of a welding hood to improve visibility, such as by providing refractive correction for presbyopia or providing magnification.

An escheater.

cheater (one who uses cheats in a video game)

Source: wiktionary.org