The Collaborative International Dictionary of English v.0.48:

Coati \Co*a"ti\ (k[-o]*[aum]"t[-e] or k[-o]*[=a]"t[i^]), n.
   [From the native name: cf. F. coati.] (Zool.)
   A mammal of tropical America of the genus Nasua, allied to
   the raccoon, having a ringed tail but with a longer body,
   tail, and nose; -- called also coati mondi and coati
   mundi.

   Syn: coati, coati-mondi, coati-mundi, coon cat, Nasua
        narica.
        [1913 Webster]

   Note: The red coati (Nasua socialis), called also coati
         mondi, inhabits Mexico and Central America. The brown
         coati (Nasua narica) is found in Surinam and Brazil.
         [1913 Webster] coati-mondi
         coati mundi
         coati mondi

WordNet (r) 3.0 (2006):

coati
    n 1: omnivorous mammal of Central America and South America
         [syn: coati, coati-mondi, coati-mundi, coon cat,
         Nasua narica]