'cynanchin' definitions:

Definition of 'cynanchin'

From: GCIDE

Vincetoxin \Vin`ce*tox"in\, n. (Chem.) A glucoside extracted from the root of the white swallowwort (Vincetoxicum officinale, a plant of the Asclepias family) as a bitter yellow amorphous substance; -- called also asclepiadin, and cynanchin. [1913 Webster]