小牝牛 Traditional form: 小牝牛 Pinyin (reading): xiǎopìnniú Definitions: heifer Characters: 小 - small, tiny, insignificant 牝 - female animal; keyhole; valley 牛 - ox, cow, bull Traditional characters: 小 - small, tiny, insignificant 牝 - female animal; keyhole; valley 牛 - ox, cow, bull