蔓衍 mànyǎn to spread out Origin Definitions Defs Strokes Stroke Words Sentences Sents 蔓 màn verb to spread to extend or multiply, as in 蔓延 mànyán or 滋蔓 zīmàn衍 yǎn noun to spread out (bound form) to spread out; to develop; to multiply or proliferate, as in 繁衍 fányǎn