Operator - Definition
operator
n 1: (mathematics) a symbol or function representing a
mathematical operation
2: an agent that operates some apparatus or machine; "the
operator of the switchboard" [syn: operator, 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 [syn: hustler, wheeler dealer, operator]
5: a speculator who trades aggressively on stock or commodity
markets