Category:Operator

Op"er*a`tor, n. Etym: [l.]

1. One who, or that which, operates or produces an effect.

2. (surg.)

Defn: one who performs some act upon the human body by means of the Hand, or with instruments.

3. A dealer in stocks or any commodity for speculative purposes; a Speculator. [brokers' cant]

4. (math.)

Defn: the symbol that expresses the operation to be performed; -- Called also facient.