Natch·ez 1 
(năchĭz)
(năchĭz)n. pl. Natchez
1. A member of a Native American people formerly located on the lower Mississippi River near present-day Natchez. The Natchez ceased to exist as a people after war with the French in the early 1700s.
2. The language of the Natchez.
[French, from Natchez.]
Natchez adj.