The Collaborative International Dictionary of English v.0.48:

Maha \Ma"ha\, n. (Zool.)
   A kind of baboon; the wanderoo.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Maha \Ma"ha\, prop. n. (Ethnol.)
   A member of the Siouan people formerly living in the Missouri
   river valley in Northeastern Nebraska; called also Omaha.
   [WordNet 1.5] Mahabarata

The Collaborative International Dictionary of English v.0.48:

Wanderoo \Wan`der*oo"\, n. [Cingalese wanderu a monkey.] (Zool.)
   A large monkey (Macacus silenus) native of Malabar. It is
   black, or nearly so, but has a long white or gray beard
   encircling the face. Called also maha, silenus,
   neelbhunder, lion-tailed baboon, and great wanderoo.
   [Written also ouanderoo.]
   [1913 Webster]

   Note: The name is sometimes applied also to other allied
         species.
         [1913 Webster]

WordNet (r) 3.0 (2006):

Maha
    n 1: a member of the Siouan people formerly living in the
         Missouri river valley in northeastern Nebraska [syn:
         Omaha, Maha]