noun gua·ra·na \ˌgwä-rə-ˈnä\

Definition of GUARANA

:  a dried paste that is made from the seeds of a South American climbing shrub (Paullinia cupana) of the soapberry family, that contains caffeine and tannin, and that is used as a stimulant; also :  this plant

Origin of GUARANA

Portuguese guaraná, from Nhengatu (Tupi-based lingua franca of Amazonia), from Sateré-Mawé (Tupian language of the middle Amazon River basin) warana
First Known Use: 1838
Medical Dictionary


noun gua·ra·na \ˌgwär-ə-ˈnä\

Medical Definition of GUARANA

:  a dried paste made from the seeds of a Brazilian climbing shrub (Paullinia cupana) containing tannin and caffeine and used in making an astringent drink


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