I have taken from the sons of Israel the breast of the wave offering and the thigh of the contribution of their peace offerings, and I have given them to Aaron the priest and his sons as a permanent portion from the sons of Israel.’”
All this relates to the peace-offerings: it is the repetition and explication of what we had before, with various additions. I. The nature and intention of the peace-offerings are here more distinctly opened. They were offered either, 1. In thankfulness for some special mercy received, such as recovery from sickness, preservation in a journey, deliverance at sea, redemption out of captivity, all which are specified in Ps.
Commenting on Leviticus 7:11-34
This is the portion of the anointing of Aaron,.... Of his being anointed to the priestly office; this is the part allotted and assigned him for the execution of it; this is the reward, as Aben Ezra interprets it, of his faithful performance of it, namely, his having the wave breast and heave shoulder of the peace offerings, and a cake out of everyone of...
Lev 7:34-36 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).
Commenting on Leviticus 7:34-36