Wave-Offering: Consisted of The Breast of the Priest's Consecration Ram
Source: TTT
Exodus 29:26
Take the breast of the ram of Aaron’s ordination and wave it before the LORD as a wave offering, and it will be your portion.
Leviticus 8:29
He also took the breast—Moses’ portion of the ram of ordination—and waved it before the LORD as a wave offering, as the LORD had commanded him.