ventilator
1. [ noun ] a device that facilitates breathing in cases of respiratory failure
Synonyms: breathing_apparatus breathing_machine breathing_device
Related terms: device respirator oxygen_mask snorkel resuscitator aqualung
2. [ noun ] a device (such as a fan) that introduces fresh air or expels foul air
Related terms: device ventilation air_filter vent
Similar spelling:   ventilatory
  ventilate
  ventilated
  ventilation
  ventail