Main Entry:

gua·ra·na

Pronunciation:

\ˌgwä-rə-ˈnä\

Function:

noun

Etymology:

Portuguese guaraná, from Nhengatu (Tupi-based lingua franca of Amazonia), from Sateré-Mawé (Tupian language of the middle Amazon River basin) warana

Date:

1838

: 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