Vow1, n.
n. [O. Fr. vou, veu, vo, vu, N. Fr. veu, Pr. vot, It. & Sp. voto, Lat. votum, from vovere, votum, to vow. Cf. Avow.] 1. A solemn promise made to God, or to some deity; an act by which one consecrates or devotes himself wholly or in part, for a longer or shorter time, to some act or service; a devotion of one's self. “Stain my vow of Nazarite.” Milton. I am combined by a sacred vow. Shak. 2. Specifically, a promise of fidelity; a pledge of love or affection; as, the marriage vow. Knights of love, who never broke their vow, Firm to their plighted faith. Dryden.