operatorPronunciation: /ˈɒpəreɪtə/Translate operator | into French | into German | into Italian | into Spanish Definition of operator noun 1 [often with modifier] a person who operates equipment or a machine:a radio operator a person who works at the switchboard of a telephone exchange: calls are made through the operator 2 [usually with modifier] a person or company that runs a business:a tour operator 3 [with adjective] informal a person who acts in a shrewd or manipulative way:her reputation as a cool, clever operator 4 Mathematics a symbol or function denoting an operation (e.g. ×, +). operator in other Oxford dictionaries Definition of operator in the US English dictionary
