蒯草 kuǎicǎo wool grass Origin Definitions Defs Strokes Stroke Words Sentences Sents 蒯 kuǎi wool grass (bound form) a type of perennial rush or wool grass used for weaving mats and making paper, specifically 蒯草 kuǎicǎo草 cǎo noun grass grass; straw; herbs; plants with non-woody stems