Our vow to our customers is that we are here to serve their needs.
We didn't really believe Mary's vow that she would never eat another piece of fudge.
The king made his knights make a vow of allegiance to him.
WordNet 3.0 Sense Numbers: 1
NOTE: this sense usually occurs in the plural
Mary and John wrote their own wedding vows.
These nuns have taken the vow of silence.
The young priest broke his vows of celibacy and poverty.
WordNet 0.0 Sense Numbers: 2