'Wave offering' in the Bible

then the priest must wave them as a wave offering before the Lord; it is a holy portion for the priest, together with the breast of the wave offering and the thigh of the raised offering. After this the Nazirite may drink wine.'

and Aaron is to offer the Levites before the Lord as a wave offering from the Israelites, that they may do the work of the Lord.

You are to have the Levites stand before Aaron and his sons, and then offer them as a wave offering to the Lord.

"After this, the Levites will go in to do the work of the tent of meeting. So you must cleanse them and offer them like a wave offering.

The Levites purified themselves and washed their clothing; then Aaron presented them like a wave offering before the Lord, and Aaron made atonement for them to purify them.