Source : Webster's Revised Unabridged Dictionary (1913)

.

   {Mandarin duck} (Zo["o]l.), a beautiful Asiatic duck
      ({Dendronessa galericulata}), often domesticated, and
      regarded by the Chinese as an emblem of conjugal
      affection.

   {Mandarin language}, the spoken or colloquial language of
      educated people in China.

   {Mandarin yellow} (Chem.), an artificial aniline dyestuff
      used for coloring silk and wool, and regarded as a complex
      derivative of quinoline.