1 Samuel 21:4-6

4The priest answered David, “There is no ordinary (unconsecrated) bread on hand, but there is consecrated bread; [you may have it] if only the young men have kept themselves from women.”

5David answered the priest, “Be assured that women have been kept from us in these three days since I set out, and the bodies of the young men were consecrated (ceremonially clean), although it was an ordinary (unconsecrated) journey; so how much more will their vessels be holy today?”

6So the priest gave him the consecrated bread; for there was no bread there except the bread of the Presence which was removed from before the Lord in order to put hot bread in its place when it was taken away.