ventilator

Definition

A device that circulates fresh air and expels stale or noxious air.

Etymology

From ventilate + -or; cf. Latin ventilator.

Example Sentences

• "Near-synonym: respirator"
• "A lover's quarrel is made up of jealousies, doubts, hopes, fears, and all sorts of fantastic fancies: a matrimonial dispute, on the contrary, is composed of familiar and ordinary matter, a sort of ventilator to the temper!"