Pronunciation: (chin-chil'u),[key] —n. 1. a small, South American rodent, Chinchilla laniger, raised for its soft, silvery gray fur: now rare in the wild.
2. the fur of this animal.
3. something, as a coat or jacket, made of chinchilla fur: a floor-length chinchilla. 4. a thick, napped, woolen fabric for coats.