肺叶 fèiyè lobe of a lung Definitions Defs Origin Strokes Stroke Words Sentences Sents 肺 fèi noun lung lung; the breathing organ in the chest of humans and many animals, also called 肺脏 fèizàng叶 葉 yè noun leaf leaf of a plant; foliage; something resembling a leaf, such as a lobe of a lung or a shutter blade