prongbuck

From prong +‎ buck.

prongbuck (plural prongbucks)

1. (dated) The springbok.
2. The pronghorn
   • 1905, Theodore Roosevelt, Outdoor Pastimes of an American Hunter:

     Thus the whitetail deer had thrust forward along the very narrow river bottoms into the domain of the mule-deer and the prongbuck among the foothills of the Rocky Mountains

• “prongbuck”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.