[ gwah-koh ]

noun,plural gua·cos.
  1. a climbing composite plant, Mikania guaco, of tropical America.

  2. its leaves, or a substance obtained from them, sometimes used locally as an antidote for snakebites.

Origin of guaco

First recorded in 1815–25; from Latin American Spanish

Words Nearby guaco Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use guaco in a sentence

British Dictionary definitions for guaco


/ (ˈɡwɑːkəʊ) /

nounplural -cos
  1. any of several tropical American plants whose leaves are used as an antidote to snakebite, esp the climbers Mikania guaco, family Asteraceae (composites), or Aristolochia maxima (A. serpentina), family Aristolochiaceae

  2. the leaves of any of these plants

Origin of guaco

C19: from American Spanish

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