大小便 Traditional form: 大小便 Pinyin (reading): dàxiǎobiàn Definitions: using the toilet urination and defecation Characters: 大 - big, great, vast, high, deep 小 - small, tiny, insignificant 便 - easy, convenient; expedient Traditional characters: 大 - big, great, vast, high, deep 小 - small, tiny, insignificant 便 - easy, convenient; expedient