'Ordination' in the Bible

This is the law for the burnt offering, the grain offering, the sin offering, the restitution offering, the ordination offering, and the fellowship sacrifice,

Next he presented the second ram, the ram of ordination, and Aaron and his sons laid their hands on the head of the ram.

Then Moses took them from their hands and burned them on the altar with the burnt offering. This was an ordination offering for a pleasing aroma, a fire offering to the Lord.

He also took the breast and waved it before the Lord as a presentation offering; it was Moses’ portion of the ordination ram as the Lord had commanded him.

Moses said to Aaron and his sons, “Boil the meat at the entrance to the tent of meeting and eat it there with the bread that is in the basket for the ordination offering as I commanded: Aaron and his sons are to eat it.

You must not go outside the entrance to the tent of meeting for seven days, until the time your days of ordination are completed, because it will take seven days to ordain you.