1. A domesticated South American mammal (Lama pacos), related to the llama and having fine, long wool.
2. 1. The silky wool of this mammal.
   2. Cloth made from alpaca.
   3. A coat made of this cloth.
3. A glossy cotton or rayon and wool fabric.

[American Spanish, from Aymara allpaca.]

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.