Leviticus 7:34

“For the wave breast and the heave shoulder have I taken of the children of Israel, etc.] These two parts were particularly pitched upon and selected: from off the sacrifices of their peace offering; the rest being allowed the owners, besides what were burnt: and have given them unto Aaron the priest and unto his sons, by a statute for ever from among the children of Israel; as long as the priesthood lasted, even to the coming of the Messiah, in whom all these sacrifices would have their accomplishment and their end.”

“The wave - breast and heave - shoulder - The breast or heart is the seat of wisdom, and the shoulder of strength for action; and these two may denote that wisdom, and power, which were in Christ our high - priest, and which ought to be in every priest. Leviticus 7:35”

“7:34 breast of the special offering . . . right thigh of the sacred offering: The peace offering was a shared meal between God, the priest, the worshiper, and guests. The breast (in some older translations called a “wave offering”) and thigh (sometimes called the “contribution” or “heave offering”) were specifically designated as the priest’s portion (see 10:13-15). After these offerings were taken into the Tabernacle and presented before the Lord, they could then be eaten (see Exod 29:24, 26).”

“the wave: Lev 7:30-32, Lev 10:14, Lev 10:15; Exo 29:28; Num 18:18, Num 18:19; Deu 18:3 by a statute: Lev 3:17; Exo 29:9 Leviticus 7:35”

“The wave-breast and heave-leg Jehovah had taken of the children of Israel, from off the sacrifices of their peace-offerings: i.e., had imposed it upon them as tribute, and had given them to Aaron and his sons, i.e., to the priests, "as a statute for ever," - in other words, as a right which they could claim of the Israelites for all ages (cf. Exo 27:21). \- With Lev 7:35, Lev 7:36, the instructions concerning the peace-offerings are brought to a close. "This (the wave-breast and heave-leg) is the share of Aaron and his sons from the firings of Jehovah in the day (i.e., which Jehovah assigned to them in the day) when He caused them to draw near to become priests to Jehovah," i.e., according…”