[scam.mo.ny] n, pl -nies [ME scamonie, fr. OE scammoniam, fr. L scammonia, fr. Gk skammonia] (bef. 12c) 1: a twining convolvulus (Convolvulus scammonia) of Asia Minor with a large thick root
2. a: the dried root of scammony b: a cathartic resin obtained from scammony