'Pens' in the Bible

When Saul came to the sheep pens along the road, a cave was there, and he went in to relieve himself. David and his men were staying in the back of the cave,

He made warehouses for the harvest of grain, new wine, and oil, and stalls for all kinds of cattle, and pens for flocks.

I will not accept a bull from your householdor male goats from your pens,