Animal by-products
Undesirable parts of animals that are discarded.
Key passages
Ex 29:14

And the flesh of the bull and its skin and its offal you will burn with fire outside the camp; it is a sin offering.

Le 4:11–12

But the bull’s skin and its meat, in addition to its head, its lower leg bones, its inner parts, and its offal— he shall carry all of the bull outside the camp to a ceremonially clean place, to the fatty ashes’ dump, and he shall burn it on wood in the fire; it must be burned …

Le 8:17

but he burned the bull and its skin and its meat and its offal in the fire outside the camp, just as Yahweh had commanded Moses.

Le 16:27

And the sin offering’s bull and the sin offering’s goat, whose blood was brought to make atonement in the sanctuary, shall be brought outside the camp, and they shall burn their hide and their flesh and their offal in the fire.

Nu 19:5

The heifer will be burned in his sight; its skin, its meat, and its blood, in addition to its offal, will burn.

Mal 2:3

Look! I am going to rebuke your offspring, and I will scatter offal on your faces, the offal of your religious feasts, and you will be carried to it.