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)
S: (n) aqualung, Aqua-Lung, scuba (a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatus)
S: (n) oxygen mask (a breathing device that is placed over the mouth and nose; supplies oxygen from an attached storage tank)
S: (n) respirator, inhalator (a breathing device for administering long-term artificial respiration)
S: (n) resuscitator (a breathing apparatus used for resuscitation by forcing oxygen into the lungs of a person who has undergone asphyxia or arrest of respiration)
S: (n) snorkel (breathing device consisting of a bent tube fitting into a swimmer's mouth and extending above the surface; allows swimmer to breathe while face down in the water)
W: (v) respire [Related to: respirator] (draw air into, and expel out of, the lungs) "I can breathe better when the air is clean"; "The patient is respiring"
W: (v) inhale [Related to: inhalator] (draw in (air)) "Inhale deeply"; "inhale the fresh mountain air"; "The patient has trouble inspiring"; "The lung cancer patient cannot inspire air very well"
S: (n) inhaler, inhalator (a dispenser that produces a chemical vapor to be inhaled in order to relieve nasal congestion)