茈草 zǐcǎo gromwell Origin Definitions Defs Strokes Stroke Words Sentences Sents 茈 zǐ gromwell (bound form) gromwell or stoneseed, a plant with roots that produce a purple dye; also known as 紫草 zǐcǎo草 cǎo noun grass grass; straw; herbs; plants with non-woody stems