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ventilator

noun

  1. air hole as part of building
  2. device which provides mechanical ventilation to a patient's lungs
L253755 on Wikidata ↗

Wiktionary

Pronunciation: /ˈvɛntɪleɪtə/

noun

Etymology: From ventilate + -or; cf. Latin ventilator.

  1. A device that circulates fresh air and expels stale or noxious air.
  2. A machine that moves breathable air into and out of the lungs of a patient who is unable to breathe sufficiently.

    Near-synonym: respirator

  3. Some behaviour or happening that relieves a tense atmosphere or situation.

    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!

  4. A play or an actor so bad as to empty the theater.