虹彩膜 hóngcǎimó iris Definitions Defs Origin Strokes Stroke Words Sentences Sents 虹彩 hóngcǎi iris the colored part of the eye surrounding the pupil, also called 虹膜 hóngmó膜 mó noun membrane thin layer of tissue in a living organism that protects or connects organs; film or thin coating resembling such tissue