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Related to guarana: cachaca
1. A shrub or woody vine (Paullinia cupana) of Amazonia whose seeds are high in caffeine and other alkaloids.
2. A preparation made from the seeds of this plant, used in beverages and as an herbal medicine for its stimulant and tonic properties.
[Brazilian Portuguese guaraná, from Tupí *wara'na.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Plants) a climbing shrub, Pauinia cupana, that is native to Venezuela and Brazil and whose seeds contain a higher concentration of caffeine than is found in coffee beans
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014