[gwah-yoo-lee, wah-; Spanish gwah-yoo-le]

noun, plural gua·yu·les [gwah-yoo-leez, wah-; Spanish gwah-yoo-les] /gwɑˈyu liz, wɑ-; Spanish gwɑˈyu lɛs/.

a composite shrub, Parthenium argentatum, of the southwestern U.S. and Mexico, yielding a form of rubber.
the rubber obtained from this plant.

Origin of guayule

1905–10, Americanism; < Mexican Spanish < Nahuatl cuauholli or huauholli, equivalent to cuahu(itl) tree or huauh(tli) amaranth + olli rubber Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for guayule

Historical Examples of guayule

  • The guayule shrub is now a further source of Mexican rubber.


    Charles Reginald Enock

  • Now guayule is being cultivated and is reaped instead of being uprooted.

    Creative Chemistry

    Edwin E. Slosson

  • Subdominants are mariola, guayule, Agave lechugilla, A. stricta or Larrea divaricata.

  • In the district we have come to visit, several Mexicans are busy gathering in a harvest of guayule.


    Edith A. Browne

  • Guayule rubber is of sufficiently good quality to be used for all but the highest class rubber goods, such as surgical appliances.


    Edith A. Browne

British Dictionary definitions for guayule



a bushy shrub, Parthenium argentatum, of the southwestern US: family Asteraceae (composites)
rubber derived from the sap of this plant

Word Origin for guayule

from American Spanish, from Nahuatl cuauhuli, from cuahuitl tree + uli gum
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