Pronunciation: (wosh'ō, wô'shō), [key]
—n., pl., Wash•os, (esp. collectively) Wash•o for 1.
1. a member of a tribe of North American Indians living in western Nevada and northeastern California.
2. the Hokan language of the Washo.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.