Defn: In an operative manner.
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.
OPERATORY
Op"er*a*to*ry, n.
Defn: A laboratory. [Obs.]