The Collaborative International Dictionary of English v.0.48:

Hyrax \Hy"rax\, n. [NL., fr. Gr. ? shrew mouse.] (Zool.)
   Any animal of the genus Hyrax, of which about four species
   are known. They constitute the order Hyracoidea. The best
   known species are the daman (Hyrax Syriacus) of Palestine,
   and the klipdas (Hyrax capensis) of South Africa. Other
   species are Hyrax arboreus and Hyrax Sylvestris, the
   former from Southern, and the latter from Western, Africa.
   See Daman. Hyrcanian