[vow] n [ME vowe, fr. OF vou, fr. L votum, fr. neut. of votus, pp. of vovere to vow; akin to Gk euchesthai to pray, vow, Skt vaghat sacrificer] (14c): a solemn promise or assertion; specif: one by which a person is bound to an act, service, or condition
[2]vow vt (14c) 1: to promise solemnly: swear
2: to bind or consecrate by a vow ~ vi: to make a vow -- vow.er n [3]vow vt [ME, short for avowen] (14c): avow, declare