'Flat' in the Bible

Or of anything which goes flat on the earth, or any fish in the water under the earth.

I lay flat on the ground before the Lord for forty days and nights, for he had said he would destroy you.

Every winged thing which goes flat on the earth is unclean to you and may not be used as food.

“When you build a new house, you shall make a railing (parapet) around your [flat] roof, so that you do not bring the guilt of [innocent] blood on your house if someone falls from it.