'Dorstenia Contrayerva' definitions:

Definition of 'Dorstenia Contrayerva'

From: GCIDE

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]