肺はい臓ぞうはいぞうMeanings1nounlungsAnatomical term for the lungs; more formal than 肺 (はい). Used in medical and biological contexts.肺はい臓ぞうは呼こ吸きゅうをつかさどる臓ぞう器きです。The lungs are the organs responsible for breathing.喫きつ煙えんは肺はい臓ぞうに悪あく影えい響きょうを及およぼします。Smoking has a negative effect on the lungs.