What does alpaca mean?
The definition of alpaca
Al*pac”a, n.
Etym: [Sp. alpaca, fr. the original Peruvian name of the animal. Cf. Paco.]

1 (Zoöl.)
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.