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[kahy-yoos, kahy-oos] /kaɪˈyus, ˈkaɪ us/
Western U.S. a horse, especially an Indian pony.
Also called cayuse wind. Northwestern U.S. a cold wind blowing from the east.
Origin of cayuse
1830-40, Americanism; named after the Cayuse


[kahy-yoos, kahy-oos] /kaɪˈyus, ˈkaɪ us/
noun, plural Cayuses (especially collectively) Cayuse.
a member of a tribe of North American Indians now living in Oregon. Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for cayuse
Historical Examples
  • Lucky the cayuse who happens to be the right size for his harness.

    A Woman Tenderfoot Grace Gallatin Seton-Thompson
  • You wish to know the name of the man who Union-Jacked your cayuse?

  • Powder Face is woman broke, an' gentle as any cayuse can get.

    Prairie Flowers

    James B. Hendryx
  • Not much on looks, Bill, but a cayuse don't cover ground on his looks.

    Riders of the Silences

    John Frederick
  • My horse, I knew, could outrace any cayuse of the Sioux band.

    Lords of the North A. C. Laut
  • They got the Judge, ‘Brand’—they run him off, with my cayuse!

    'Firebrand' Trevison Charles Alden Seltzer
  • I'll bet they gave him a cayuse an' started him off while we've been losing time in here.

  • Fortunately, the horse was a cayuse and used to that kind of work.

    The Gold Trail

    Harold Bindloss
  • In that fierce and proud regard was something the cayuse could not fathom.

    The Bridge of the Gods

    Frederic Homer Balch
  • The competition was close, but Snoqualmie the cayuse won the day.

    The Bridge of the Gods

    Frederic Homer Balch
British Dictionary definitions for cayuse


(Western US & Canadian) a small Native American pony used by cowboys
Word Origin
C19: from a Chinookan language
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for cayuse

"horse, Indian pony," 1841, American English, said to be a Chinook (native Pacific Northwest) word; also the name of an Indian group and language (1825), of unknown origin.

Online Etymology Dictionary, © 2010 Douglas Harper
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