Noun

• S: (n) respirator, inhalator (a breathing device for administering long-term artificial respiration)
• direct hyponym / full hyponym
• S: (n) iron lung (respirator that produces alternations in air pressure in a chamber surrounding a patient's chest to force air into and out of the lungs thus providing artificial respiration)
• part meronym
• S: (n) mouthpiece (a part that goes over or into the mouth of a person) "the mouthpiece of a respirator"
• direct hypernym / inherited hypernym / sister term
• S: (n) breathing device, breathing apparatus, breathing machine, ventilator (a device that facilitates breathing in cases of respiratory failure)
• derivationally related form
• S: (n) inhaler, inhalator (a dispenser that produces a chemical vapor to be inhaled in order to relieve nasal congestion)