Source : Webster's Revised Unabridged Dictionary (1913)

Kahau \Ka*hau"\, n. [Native name, from its cry.] (Zo["o]l.)
   A long-nosed monkey ({Semnopithecus nasalis}), native of
   Borneo. The general color of the body is bright chestnut,
   with the under parts, shoulders, and sides of the head,
   golden yellow, and the top of the head and upper part of the
   back brown. Called also {proboscis monkey}. [Written also
   {kaha}.]