iron lung iron loss • ironly · · · Info · Definitions · Characters · · iron lung · · Text Common · · Latin · · Scripts 9 · · Length 3 · · Syllables Definitions · · · (noun) 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. Synonyms: iron lung. · · Noun Definition 1 Characters · · space U+0020 g latin small letter g U+0067 i latin small letter i U+0069 l latin small letter l U+006C n latin small letter n U+006E o latin small letter o U+006F r latin small letter r U+0072 u latin small letter u U+0075