The Collaborative International Dictionary of English v.0.48:

Jaguarondi \Ja`gua*ron"di\, n. [Native name.] (Zool.)
   A South American wild cat (Felis jaguarondi), having a
   long, slim body and very short legs. Its color is grayish
   brown, varied with a blackish hue. It is arboreal in its
   habits and feeds mostly on birds.
   [1913 Webster]

WordNet (r) 3.0 (2006):

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