1 Samuel 21:5-6

5And David answered the priest and said to him, Yes indeed, women have been kept from us about these three days, since I came out, and the vessels of the young men are holy, and the [bread] is in a manner common, and the more so, because to-day [new] is hallowed in the vessels.

6And the priest gave him holy [bread]; for there was no bread there but the shew-loaves that were taken from before Jehovah, to put on hot bread in the day when they were taken away.