[1] : The Collaborative International Dictionary of English v.0.48

gazelle \gazelle"\, n. f. gazelle, of. also, gazel; cf. sp.
   gacela, pr. gazella, it. gazella; all fr. ar. ghaz?l a wild
   goat. zool.
   one of several small, swift, elegantly formed species of
   antelope, of the genus gazella, esp. g. dorcas; -- called
   also algazel, corinne, korin, and kevel. the gazelles
   are celebrated for the luster and soft expression of their
   eyes. written also gazel.

   note: the common species of northern africa gazella
         dorcas; the arabian gazelle, or ariel g. arabica;
         the mohr of west africa g. mohr; the indian g.
         bennetti; the ahu or persian g. subgutturosa;
         and the springbok or tsebe g. euchore of south
         africa, are the best known.
         1913 webster
see also:
gazella g. dorcas algazel corinne korin kevel 
gazel gazella dorcas g. arabica g. mohr g. bennetti 
ahu g. subgutturosa g. euchore 

[2] : The Collaborative International Dictionary of English v.0.48

ahu \a"hu\, n. native name. zool.
   the asiatic gazelle.
   1913 webster

Ahu >> A Words
Ahu, definition of term: Ahu
ahu_pag1.html