- a symbol for expressing a mathematical operation.
- a function, especially one transforming a function, set, etc., into another: a differential operator.
- a person who accomplishes his or her purposes by devious means; faker; fraud.
- a person who is adroit at overcoming, avoiding, or evading difficulties, regulations, or restrictions.
- a person who is extremely successful with or smoothly persuasive to members of the opposite sex.
- operations research,
- operations room,
- operator gene,
Origin of operator
Examples from the Web for operator
Wright approved one of the wells after the operator agreed to bring it into compliance, according to the letter.
Teague replied: “I have to allow an operator or plugger a way to appeal when he believes our requirements are unreasonable.”
In 1881, along came Bailey, operator of another circus, and two circuses joined to give rise to the first three-ring spectacle.We’re All Carnies Now: Why We Can’t Quit the Circus|Anthony Paletta|November 27, 2014|DAILY BEAST
Unsure of what to do, the operator asked a superior what the correct move would be.
SGR-A1 scans autonomously, and once it detects suspected intruders alerts the operator.Smoke Rings, Mystery Backpacks and Gun-Toting Robots: The Weird Wartech of the Korean Conflict|Kyle Mizokami|April 3, 2014|DAILY BEAST
When the operator has composed twenty or twenty-five of these slugs, his take is completed.News Writing|M. Lyle Spencer
Some species germinate quicker than others, and the operator must determine by previous trial what these differences are.The Nursery Book|Liberty Hyde Bailey
“And, by the way, take your time in sending to the operator at the Junction,” he added.The Young Railroaders|Francis Lovell Coombs
The operator, an old woman, took a tablespoon and filled it with water.The Covenant of Salt|Henry Clay Trumbull
She made the operator go home to his family to spend Christmas afternoon.Janice Day|Helen Beecher Long
1590s, "one who performs mechanical or surgical operations," agent noun from operate (v.) or from Late Latin operator. Meaning "one who carries on business shrewdly" is from 1828. Specific sense of "one who works a telephone switchboard" (1884) grew out of earlier meaning "one who works a telegraph" (1847).