片かた肺はいかたはいMeanings1nounone lung; single lungRefers to having or using only one lung, often in medical or anatomical contexts.彼かれは事じ故こで片かた肺はいになってしまった。He lost one lung in an accident.片かた肺はい飛ひ行こうは危き険けんを伴ともなう。Flying on one engine is dangerous.