Source : Webster's Revised Unabridged Dictionary (1913)

Springbok \Spring"bok`\, Springbuck \Spring"buck`\, n. [D.
   springbok; springen to spring, leap + bok a he-goat, buck.]
   (Zo["o]l.)
   A South African gazelle ({Gazella euchore}) noted for its
   graceful form and swiftness, and for its peculiar habit of
   springing lighty and suddenly into the air. It has a white
   dorsal stripe, expanding into a broad patch of white on the
   rump and tail. Called also {springer}. [Written also
   {springboc}, and {springbock}.]

Source : WordNet®

springbuck
     n : a South African gazelle noted for springing lightly into the
         air [syn: {springbok}, {Antidorcas marsupialis}, {Antidorcas
         euchore}]