堰塞湖 yànsèhú barrier lake Origin Definitions Defs Strokes Stroke Words Sentences Sents 堰 yàn to dam (literary) to block or dam up water塞 sè verb to block (bound form) to block or obstruct; to be hindered; used in formal compounds and idioms like 茅塞顿开 máosèdùnkāi湖 hú noun lake a large area of water surrounded by land