They turned and fled toward the wilderness to the Rock of Rimmon, and they gleaned of them 5,000 men on the highways, and overtook them and cut them down, and struck another 2,000 men of them. Bible

“they gleaned of them.” This is a powerful metaphor, portraying the stragglers among the Benjamites as grain or fruit that had escaped being harvested when the main crop was harvested. These Benjamites had escaped death in the main battle between Israel and Benjamin, but as they ran away on the road, they were “gleaned” (killed) by the Israelites who were making sure all the crop was harvested, that is, making sure all the Benjamite army was killed.

Commentary for: Judges 20:45