Leviticus

And thou shalt take the breast of the ram of Aaron’s consecration, and wave it for a wave offering before the Lord: and it shall be thy part.

His own hands shall bring the offerings of the Lord made by fire, the fat with the breast, it shall he bring, that the breast may be waved for a wave offering before the Lord.

For the wave breast and the heave shoulder have I taken of the children of Israel from off the sacrifices of their peace offerings, and have given them unto Aaron the priest and unto his sons by a statute for ever from among the children of Israel.

And thou shalt sanctify the breast of the wave offering, and the shoulder of the heave offering, which is waved, and which is heaved up, of the ram of the consecration, even of that which is for Aaron, and of that which is for his sons: