Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun ventilator

2 senses of ventilator

Sense 1
ventilator -- (a device (such as a fan) that introduces fresh air or expels foul air)
       => device -- (an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water")

Sense 2
breathing device, breathing apparatus, breathing machine, ventilator -- (a device that facilitates breathing in cases of respiratory failure)
       => device -- (an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water")