Source : Webster's Revised Unabridged Dictionary (1913)

Vicuna \Vi*cu"[~n]a\, Vicugna \Vi*cu"gna\, n. [Sp. vicu[~n]a.
   Cf. {Vigonia}.] (Zo["o]l.)
   A South American mammal ({Auchenia vicunna}) native of the
   elevated plains of the Andes, allied to the llama but
   smaller. It has a thick coat of very fine reddish brown wool,
   and long, pendent white hair on the breast and belly. It is
   hunted for its wool and flesh.