A heave offering, or terumah (Hebrew: תְּרוּמָה‎), plural terumot, is a kind of offering. The word is generally used in the positive sense of an offering to God, although sometimes it is also used in a negative sense, such as the ish teramot, a "[dishonest] judge who loves gifts".

What is considered a heave offering?

: a separated portion of an ancient Israelite religious offering that was ceremonially raised and lowered in dedication to God and that afterward was reserved for the officiating priest's use.

What exactly is a wave offering?

: a sacrificial offering by the ancient Jews that was elevated and swung to and fro and then reserved for the personal use of the priestly families.