'Vow to the Lord' in the Bible
Whoever offers a sacrifice of peace offerings to the Lord to fulfill a special vow to the Lord or as a freewill offering from the herd or from the flock, it must be perfect to be accepted; there shall be no blemish in it.
“Speak to the Israelites and tell them: When someone makes a special vow to the Lord that involves the assessment of people,
So Israel made a vow to the Lord, and said, “If You will indeed hand over these people to me, then I will utterly destroy their cities.”
If a man makes a vow to the Lord or swears an oath to bind himself with a pledge [of abstinence], he shall not break (violate, profane) his word; he shall do according to all that proceeds out of his mouth.
“Also if a woman makes a vow to the Lord and binds herself by a pledge [of abstinence], while living in her father’s house in her youth,
then it shall come about that the place which the Lord your God will choose for His Name [and Presence] to dwell; there you shall bring everything that I am commanding you: your burnt offerings, your sacrifices, your tithes and the [voluntary] contribution of your hand [as a first gift from the fruits of the ground], and all your choice votive offerings which you vow to the Lord.
“When you make a vow to the Lord your God, you shall not delay to pay it, for He will most certainly require it of you, and a delay would cause you to sin.
And Jephthah made a vow to the LORD, and said, "If thou wilt give the Ammonites into my hand,
And after four years, Absalom said to the king, “Please let me go and pay my vow which I have made to the Lord at Hebron [my birthplace].
They also made a vow to the LORD with loud voices, shouting, trumpets, and horns.
and how he made a vow to the Lord, and swore an oath to the powerful ruler of Jacob.
And so the Lord will make Himself known to Egypt, and the Egyptians will know [heed, honor, and cherish] the Lord in that day. They will even worship with sacrifices [of animals] and offerings [of produce]; they will make a vow to the Lord and fulfill it.