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guayusa

American  
[gwahy-yoo-suh, wahy-] / gwaɪˈju sə, waɪ- /

noun

  1. a tree, Ilex guayusa , native to the rainforest in the upper Amazon river basin.

  2. the leaves of this tree, containing caffeine, theobromine, theophylline, and other compounds, prepared as a tea and used as a stimulant.


Etymology

Origin of guayusa

First recorded in 1850–55; from Spanish, likely from a Jívaro language

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Multiple companies are making non-alcoholic spirits and beers infused with ingredients like guayusa, a leaf containing caffeine and antioxidants.

From Seattle Times Apr. 15, 2024

Or there’s Runa’s energy drink, made from something called Amazonian guayusa leaves.

From Seattle Times Jul. 19, 2013

It is a singular fact, observes Dr. Jameson, that tea, coffee, cacao, maté, and guayusa contain the same alkaloid caffeine.

From The Andes and the Amazon Across the Continent of South America by Orton, James

Breakfasting on fried yucas, roasted plantains, fish, and guayusa, we set sail, arriving at Coca at 2 p.m.

From The Andes and the Amazon Across the Continent of South America by Orton, James

A cup of guayusa tea soon revived him.

From On the Banks of the Amazon by Groome, William H. C.

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