The Collaborative International Dictionary
Oryx beatrix
Oryx \O"ryx\ ([=o]"r[i^]ks), prop. n. [NL., from Gr. 'o`ryx a kind of gazelle or antelope.] (Zo["o]l.) A genus of African antelopes which includes the gemsbok, the leucoryx, the bisa antelope ( Oryx beisa), and the beatrix antelope ( Oryx beatrix) of Arabia.