Chastacosta
noun
Chas·ta·cos·ta
| \ ˌshastəˈkȯstə\
plural Chastacosta
or Chastacostas
Definition of Chastacosta
1a
: an Athapaskan people in the Illinois and Rogue river valleys, Oregon
b
: a member of such people
2
: the language of the Chastacosta people
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