Source : Webster's Revised Unabridged Dictionary (1913)

Guib \Guib\, n. (Zo["o]l.)
   A West African antelope ({Tragelaphus scriptus}), curiously
   marked with white stripes and spots on a reddish fawn ground,
   and hence called {harnessed antelope}; -- called also
   {guiba.}

Source : WordNet®

guib
     n : antelope with white markings like a harness and twisted
         horns [syn: {bushbuck}, {Tragelaphus scriptus}]