Definify.com
Webster 1913 Edition
Operator
Op′er-aˊtor
,Noun.
[L.]
1.
One who, or that which, operates or produces an effect.
2.
(Surg.)
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.)
The symbol that expresses the operation to be performed; – called also
facient
. Webster 1828 Edition
Operator
OP'ERATOR
, n.1.
He or that which operates; he or that which produces an effect.2.
In surgery, the person who performs some act upon the human body by means of the hand, or with instruments; as a skillful operator.