'Trespass Offering' in the Bible

And they said, If you send away the ark of the God of Israel, send it not empty; but by all means return him a trespass offering: then you shall be healed, and it shall be known to you why his hand is not removed from you.

Then said they, What shall be the trespass offering which we shall return to him? They answered, Five golden tumors, and five golden mice, according to the number of the lords of the Philistines: for one plague was on you all, and on your lords.

And take the ark of the LORD, and lay it upon the cart; and put the jewels of gold, which you return to him for a trespass offering, in a box by the side of it; and send it away, that it may go.

And these are the golden tumors which the Philistines returned for a trespass offering unto the LORD; for Ashdod one, for Gaza one, for Askelon one, for Gath one, for Ekron one;