肺吸虫 fèixīchóng lung fluke 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吸虫 吸蟲 xīchóng fluke trematode; a class of parasitic flatworms, including flukes, that live in humans and other animals