The Collaborative International Dictionary of English v.0.48:

Mazama \Ma*za"ma\, Mazame \Ma*za"me\, n. (Zool.)
   A goatlike antelope (Haplocerus montanus) which inhabits
   the Rocky Mountains, frequenting the highest parts; -- called
   also mountain goat.
   [1913 Webster]

WordNet (r) 3.0 (2006):

Mazama
    n 1: brockets [syn: Mazama, genus Mazama]