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The Collaborative International Dictionary
Dorstenia Contrayerva

Contrayerva \Con`tra*yer"va\, n. [Sp. contrayerba, literally, a counter herb, hence, an antidote for poison, fr. l. contra + herba herb.] (Bot.) A species of Dorstenia ( Dorstenia Contrayerva), a South American plant, the aromatic root of which is sometimes used in medicine as a gentle stimulant and tonic. [1913 Webster] ||