大便 dàbiàn defecate Definitions Defs Origin Strokes Stroke Words Sentences Sents Showing: defecate All meanings 2 dàbiàn 2 defecate 1excrement 1 1 sentence for 大便 (dàbiàn — defecate) 医生问他今天有没有大便。 yīshēng wèn tā jīntiān yǒuméiyǒu dàbiàn. The doctor asked him if he had a bowel movement today. Source: Dong Chinese Dictionary