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