Found 2 items, similar to iron lung.
English → English (WordNet) Definition: iron lung iron lung n : 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
English → English (gcide) Definition: iron lung iron lung \i“ron lung”\, n. A steel chamber, usually cylindrical, enclosing the entire body of a person except for the head, used to assist respiration for people suffering from disease, especially poliomyelitis. A reciprocating piston at the end causes alternating high and low pressure inside, which forces or assists the breathing of the patient within. [PJC]