📖 WordNook

operator

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