operator

From Wiktionary

Word parts[change]

operate + -or

Pronunciation[change]

Noun[change]

Singular
operator

Plural
operators

  1. (countable) An operator is a person who operates something.
    Jo is the operator of the tractor.
  2. (countable) An operator is a person who works on making connections for people over the telephone.
    The operator was struggling to keep the line connected.
  3. (countable) (mathematics) An operator is a symbol that is used to perform a specific operation (addition, subtraction, multiplication or division) in maths.