1. (Science: zoology) An animal of Peru (Lama paco), having long, fine, wooly hair, supposed by some to be a domesticated variety of the llama.
2. Wool of the alpaca.
3. A thin kind of cloth made of the wooly hair of the alpaca, often mixed with silk or with cotton.
Origin: sp. Alpaca, fr. The original peruvian name of the animal. Cf. Paco.