operator meaning and definition

OPERATOR noun

Definition of operator (noun)

1. (mathematics) a symbol or function representing a mathematical operation
2. an agent that operates some apparatus or machine
   • "the operator of the switchboard"
   • synonyms: manipulator
3. someone who owns or operates a business
   • "who is the operator of this franchise?"
4. a shrewd or unscrupulous person who knows how to circumvent difficulties
   • synonyms: hustler, wheeler dealer
5. a speculator who trades aggressively on stock or commodity markets