Merriam-Webster Collegiate Dictionary - vicuna

 or vicuna  noun  Etymology: Spanish ~, from Quechua wik'una  Date: 1604  1. a wild ruminant (Vicugna vicugna syn. Lama vicugna) of the Andes from Peru to Argentina that is related to the llama and alpaca  2.  a. the wool from the ~'s fine lustrous undercoat  b. a fabric made of ~ wool; also a sheep's wool imitation of this VICUNA noun  see vicuna VID  noun  Date: 1979 ~eo 2a, b