Webster’s Revised Unabridged Dictionary · 1913
Vigonia
Vi·go′ni·a (vĭ·gō′nĭ·ȧ), a. [Cf. F. vigogne vicuña. See Vicuña.] Of or pertaining to the vicuña; characterizing the vicuña; — said of the wool of that animal, used in felting hats, and for other purposes. Prescott.