Defn: 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.

VINCIBILITY
Vin`ci*bil"i*ty, n.

Defn: The quality or state of being vincible, vincibleness.

VINCIBLE Vin"ci*ble, a. Etym: [L. vincibilis, fr. vincere to vanquish, conquer: cf. F. vincible. See Victor.]

Defn: Capable of being overcome or subdued; conquerable. "He, not vincible in spirit . . . drew his sword." Hayward. "Vincible by human aid." Paley. Vincible ignorance (Theol.), ignorance within the individual's control and for which, therefore, he is responsible before God.

VINCIBLENESS
Vin"ci*ble*ness, n.

Defn: The quality or state of being vincible.

VINCTURE
Vinc"ture, n. Etym: [L. vinctura, fr. vincire, vinctum, to bind.]

Defn: A binding. [Obs.]

VINCULUM Vin"cu*lum, n.; pl. L. Vincula, E. Vinculums. Etym: [L., from vincire, vinctum, to bind.]