n. & v.
--n.
1. Relig. a solemn promise esp. in the form of an oath to God or another deity or to a saint.
2 (in pl.) the promises by which a monk or nun is bound to poverty, chastity, and obedience.
3 a promise of fidelity (lovers' vows; marriage vows).
4 (usu. as baptismal vows) the promises given at baptism by the baptized person or by sponsors.
--v.tr.
1. promise solemnly (vowed obedience).
2 dedicate to a deity.
3 (also absol.) archaic declare solemnly.
Phrases and idioms:
under a vow having made a vow.
Etymology: ME f. AF v(o)u, OF vo(u), f. L (as VOTE): (v.) f. OF vouer, in sense 2 partly f. AVOW