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Cayuse

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noun Cay·use \ˈkī-ˌyüs, kī-ˈ\

Definition of Cayuse

plural

Cayuse

or

Cayuses

  1. 1 :  a member of an American Indian people of Oregon and Washington

  2. 2 plural cayuses not capitalized West :  a native range horse



Origin and Etymology of cayuse

origin unknown


First Known Use: 1825


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