al·pac·a 
(ăl-păkə)
(ăl-păkə)n. pl. alpaca or al·pac·as
1. A domesticated South American ruminant mammal (Vicugna pacos or Lama pacos), related to the llama and having fine, long wool.
2.
a. The silky wool of this mammal.
b. Cloth made from alpaca.
3. A fabric that imitates alpaca, made from various natural or synthetic fibers.
[American Spanish, from Aymara and Quechua allpaqa.]
alpacaVicugna pacos