Source : Webster's Revised Unabridged Dictionary (1913)

Agouti \A*gou"ti\, Agouty \A*gou"ty\ ([.a]*g[=oo]"t[i^]), n. [F.
   agouti, acouti, Sp. aguti, fr. native name.] (Zo["o]l.)
   A rodent of the genus {Dasyprocta}, about the size of a
   rabbit, peculiar to South America and the West Indies. The
   most common species is the {Dasyprocta agouti}.

Source : WordNet®

agouti
     n : agile long-legged rabbit-sized rodent of Central America and
         South America and the West Indies; valued as food [syn: {Dasyprocta
         aguti}]
     [also: {agouties} (pl)]