- operator
- op•er•a•tor[[t]ˈɒp əˌreɪ tər[/t]] n.1) a person who operates a machine, apparatus, or the like2) tgp a person who operates a telephone switchboard3) a person who manages an industrial establishment4) a person who trades in securities, esp. speculatively or on a large scale5) a person who performs a surgical operation; a surgeon6) math.a) logic a symbol for expressing a mathematical or logical operationb) a function, esp. one transforming a function, set, etc., into another7) inf a person who accomplishes his or her purposes by cleverness8) gen a segment of DNA that interacts with a regulatory molecule, preventing transcription of the adjacent region•Etymology: 1590–1600; < LL
From formal English to slang. 2014.