definition of
vow

[1] #1 vow v. make a vow; promise; "He vowed never to drink alcohol again". wn

[2] #2 vow n. a solemn pledge (to oneself or to another or to a deity) to do something or to behave in a certain manner; "they took vows of poverty". wn

[3] #3 vow v. [consecrate] dedicate to a deity by a vow. wn