This is the anointing of Aaron, and of his sons, that is, (their portion of) the offering in the day of their anointing, in the ceremonies of the Lord, in the day wherein Moses offered them, that they should be set in priesthood, (This is the portion for Aaron, and for his sons, out of the offerings given on the day of their installation, or their ordination, in the ceremonies of the Lord, on the day when they were presented to serve as priests,)