Addax \Ad"dax\, n. [Native name.]

(Zo["o]l.) One of the largest African antelopes (Hippotragus, or Oryx, nasomaculatus).

Note: It is now believed to be the Strepsiceros (twisted horn) of the ancients. By some it is thought to be the pygarg of the Bible.

Source: Webster's Revised Unabridged Dictionary (1913)