Source : Webster's Revised Unabridged Dictionary (1913)

Cheetah \Chee"tah\, n. [Hind. ch[=i]t[=a].] (Zo["o]l.)
   A species of leopard ({Cyn[ae]lurus jubatus}) tamed and used
   for hunting in India. The woolly cheetah of South Africa is
   {C. laneus}. [Written also {chetah}.]

Source : WordNet®

cheetah
     n : long-legged spotted cat of Africa and southwestern Asia
         having nonretractile claws; the swiftest mammal; can be
         trained to run down game [syn: {chetah}, {Acinonyx
         jubatus}]