白茅 báimáo cogongrass Definitions Defs Origin Strokes Stroke Words Sentences Sents 白 bái adjective white white; snowy; pure; bright; (literary) white; bright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.