Scam·mo·ny n.
1. Bot. A species of bindweed or Convolvulus (Convolvulus Scammonia).
2. An inspissated sap obtained from the root of the Convolvulus Scammonia, of a blackish gray color, a nauseous smell like that of old cheese, and a somewhat acrid taste. It is used in medicine as a cathartic.
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Convolvulus scammonia
n : twining plant of Asia Minor having cream to purple flowers
and long thick roots yielding a cathartic resin [syn: scammony]