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[gwah-nah-koh] /gwɑˈnɑ koʊ/
noun, plural guanacos.
a wild South American ruminant, Lama guanicoe, of which the llama and alpaca are believed to be domesticated varieties: related to the camels.
Origin of guanaco
1595-1605; < Spanish < Quechua wanaku Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for guanaco
Historical Examples
  • The vicuña and guanaco also do not work in the service of man.

    From Pole to Pole

    Sven Anders Hedin
  • Paganel had scarcely looked at it before he exclaimed, "A guanaco!"

  • We looked about to discover the spot where we had left the guanaco.

    A Voyage round the World W.H.G. Kingston
  • We then raised a mark near our guanaco as we had done before.

    A Voyage round the World W.H.G. Kingston
  • We crowed over them, however, for they had not killed either a guanaco or a puma.

    A Voyage round the World W.H.G. Kingston
  • We found the first guanaco untouched, so we took his skin and some of the flesh.

    A Voyage round the World W.H.G. Kingston
  • He was probably a guanaco or llama, commonly known as the Peruvian sheep.

    Notable Voyagers W.H.G. Kingston and Henry Frith
  • Old Jenny is in an easy-chair and buried to the nose in her guanaco robe.

  • The guanaco allowed me to come within about the necessary 150 yards.

    Across Patagonia

    Lady Florence Dixie
  • The next day, on the march, a guanaco was sighted close to us.

    Across Patagonia

    Lady Florence Dixie
British Dictionary definitions for guanaco


noun (pl) -cos
a cud-chewing South American artiodactyl mammal, Lama guanicoe, closely related to the domesticated llama: family Camelidae
Word Origin
C17: from Spanish, from Quechuan huanacu
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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