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)
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)