'Heave Offering' in the Bible

For Hezekiah king of Judah gave for heave offerings to the congregation a thousand oxen and seven thousand sheep. And the lords gave to the congregation for heave offerings a thousand oxen and ten thousand sheep. And the priests sanctified themselves, that they were enough.

And Azariah the chief priest of the house of Zadok answered him, and said, "Since they began to bring the heave offerings into the house of the LORD, we have eaten and had enough, and yet left abundance, for the LORD hath blessed his people and thereof is this heap left."

and carried in the heave offerings and the tithes and the dedicated gifts; even of fidelity. Over which Conaniah the Levite had the rule with Shimei his brother next to him.

And Kore the son of Imnah the Levite, porter of the East door, had the oversight of the freewill offerings of God, to give heave offerings unto the LORD, and was over things most holy.