WordReference Random House Unabridged Dictionary of American English © 2025
con•tra•yer•va
(kon′trə yûr′və),USA pronunciation n.
- Plant Biologythe root of certain tropical American plants of the genus Dorstenia, of the mulberry family, esp. D. contrajerva, used as a stimulant, diaphoretic, etc.
- Latin contrā contra-1 + herba herb; so called from its being thought an antidote to poison
- Spanish contrayerba, contrahierba
- 1650–60