The Collaborative International Dictionary of English v.0.48:

Eyra \Ey"ra\, n. [Native South American name.] (Zo["o]l.)
   A wild cat (Felis eyra) ranging from southern Brazil to
   Texas. It is reddish yellow and about the size of the
   domestic cat, but with a more slender body and shorter legs.

WordNet (r) 3.0 (2006):

eyra
    n 1: long-bodied long-tailed tropical American wildcat [syn:
         jaguarundi, jaguarundi cat, jaguarondi, eyra,
         Felis yagouaroundi]