Chinchilla \Chin*chil"la\, n. [Sp.]

1. (Zo["o]l.) A small rodent (Chinchilla lanigera), of the size of a large squirrel, remarkable for its fine fur, which is very soft and of a pearly gray color. It is a native of Peru and Chili.

2. The fur of the chinchilla.

3. A heavy, long-napped, tufted woolen cloth.

Source: Webster's Revised Unabridged Dictionary (1913)