通便 tōngbiàn to relieve constipation Definitions Defs Origin Strokes Stroke Words Sentences Sents 通便剂 tōngbiànjì laxative medicine used to stimulate bowel movements and relieve constipation润肠通便 rùnchángtōngbiàn to relieve constipation to lubricate the intestines and promote bowel movements; to cure constipation using laxatives