茅蒐 máosōu madder Origin Definitions Defs Strokes Stroke Words Sentences Sents 茅 máo noun thatch A type of wild grass such as reeds, rushes, or cogongrass; often used as a building material for roofing or to make straw mats and raincoats.蒐 sōu madder (literary) the madder plant, used for its red dye; same as 茜草 qiàncǎo