Wordnet 3.0
NOUN (2)
1.
a member of the Muskhogean people formerly living in northern Mississippi;
2.
the Muskhogean language of the Chickasaw;
The Collaborative International Dictionary of English v.0.48:
Chickasaws \Chick"a*saws\, n. pl.; sing. Chickasaw. (Ethnol.)
A tribe of North American Indians (Southern Appalachian)
allied to the Choctaws. They formerly occupied the northern
part of Alabama and Mississippi, but now live in the Indian
Territory.
[1913 Webster]
WordNet (r) 3.0 (2006):
Chickasaw
n 1: a member of the Muskhogean people formerly living in
northern Mississippi
2: the Muskhogean language of the Chickasaw