the root of certain tropical American plants of the genus Dorstenia, of the mulberry family, especially D. contrajerva, used as a stimulant, diaphoretic, etc.
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I then gave him a Mixture, with spiritus mindereri, and the pulvis contrayerva comp.
The contrayerva infusion in distilled water had acquired a disagreeable fœtor, but the beef was not yet putrid.
Contrayerva, kon-tra-yėr′va, n. a stimulating and tonic aromatic root of tropical America.