Umatilla (English, noun)
expansion: Umatilla (plural Umatillas or Umatilla)
Senses:
glosses: A member of a Sahaptin-speaking Native American tribe who traditionally inhabited the Columbia Plateau region of the northwestern United States, along the Umatilla and Columbia rivers.
Forms:
form: Umatillas
tags: plural
form: Umatilla
tags: plural