Operate

Operate, op′ėr-āt, v.i. to work: to exert strength: to produce any effect: to exert moral power: (med.) to take effect upon the human system: (surg.) to perform some unusual act upon the body with the hand or an instrument.—v.t. to effect: to produce by agency.—n. Operam′eter, an instrument for indicating the number of movements made by a part of a machine.—adj. Op′erant, operative.—n. an operator.—n. Operā′tion, art or process of operating, or of being at work: that which is done or carried out: agency: influence: method of working: action or movements: surgical performance.—adj. Op′erātive, having the power of operating or acting: exerting force: producing effects: efficacious.—n. a workman in a manufactory: a labourer.—adv. Op′erātively.—ns. Op′erātiveness; Op′erātor, one who, or that which, operates or produces an effect: (math.) a letter, &c., signifying an operation to be performed. [L. operāri, -ātus—opera, work, closely conn. with opus, operis, work.]