/vuy kooh"neuh, -kyooh"-, vi-, vi kooh"nyeuh/ , n.
1. a wild South American ruminant, Vicugna vicugna, of the Andes, related to the guanaco but smaller, and yielding a soft, delicate wool: an endangered species, now increasing in numbers.
2. a fabric of this wool or of some substitute, usually twilled and finished with a soft nap.
3. a garment, esp. an overcoat, of vicuna.
Also, vicuña .
[ 1585-95; vicuña wik'uña ]