Emily Dickinson Lexicon

VAN'QUISH, v.t. [Fr. vaincre; L. vinco; It. vincere; Sp. vincer; probably allied to L. vincio, to bind.]

1. To conquer; to overcome; to subdue in battle; as an enemy. They vanquished the rebels in all encounters. – Clarendon.
2. To defeat in any contest; to refute in argument. – Atterbury.