ven‧ti‧la‧tor /ˈventəleɪtə, ˈventɪleɪtə $ -tl-eɪtər/ noun [countable]

1. a piece of equipment that puts fresh air into a room, building etc ⇒ fan

2. a piece of equipment that pumps air into and out of someone’s lungs
on a ventilator
He was put on a ventilator but died two hours later.

[TahlilGaran] Dictionary of Contemporary English ▲