- a climbing Asian convolvulus (Convolvulus scammonia) with thick roots, arrowhead-shaped leaves, and white or purplish flowers
- any of several plants whose roots yield medicinal resins; specif., (Ipomoea orizabensis) of the morning-glory family
- the resin from the roots of any of these plants
Origin: Middle English skamonye from Classical Latin scammonia from Glassical Greek skammōnia
Used by arrangement with John Wiley & Sons, Inc.
noun pl. scam·mo·nies
- An eastern Mediterranean plant (Convolvulus scammonia) having large roots that yield a resin formerly used as a cathartic.
- The resin obtained from this plant.
- A cathartic preparation made from this resin.
Origin: Middle English scamonie, from Old English scammōniam and from Old French scamonie, both from Latin scammōnea, from Greek skammōniā.