|  | 
Definition of Wintun
1. Noun. A member of a North American Indian people living in the Sacramento valley in California. 
Generic synonyms: Penutian
2. Noun. A Copehan language spoken by the Wintun.
Generic synonyms: Copehan
|  | 
1. Noun. A member of a North American Indian people living in the Sacramento valley in California.