What is the meaning of Operator?

A person or organisation that operates a device, system, service, etc.

A telecommunications facilitator whose job is to connect or otherwise assist callers.

A member of a military special operations unit.

The game of Chinese whispers.

A person who is adept at making deals or getting results, especially one who uses questionable methods.

A function or other mapping that carries values defined on a domain into another value or set of values in a defined range.

The administrator of a channel or network on IRC.

A symbol that represents a construct in a programming language and differs from a normal function in its syntax.

A kind of expression that enters into an a-bar movement dependency and is said to bind a variable.

A bus driver.

(Should we delete this sense?) A thief or charlatan.

(Should we delete this sense?) A major criminal.

(Should we delete this sense?) Someone who is successful at pursuing women; a player.

worker, operator

second/third-person singular future active imperative of operor

surgeon

machinist, operator

surgeon

cameraman, cinematographer

operator (company providing operator services)

operator

operator

operating

worker, operator

operator

an operator

Source: wiktionary.org