'Flat' in the Bible

The appearance of the radiant light resembled that of a rainbow shining in a cloud on a rainy day. This was what the appearance of the form of the glory of the LORD resembled. When I saw all of this, I fell flat on my face. Then I heard a voice speaking.

Then you are to take a flat, iron plate and set it up as an iron wall between you and the city. "Next, you are to turn toward it, oppose it, and place it under siege, because you are to lay siege to it. All of this will serve as a sign to the house of Israel.

His appearance in the vision that I was having was similar to what I observed in the vision where he had come to destroy the city, and also like the visions that I saw by the Chebar River. I fell flat on my face

Then he brought me through the north-facing gate to the front of the Temple. As I looked, the glory of the LORD filled the LORD's Temple, and I fell flat on my face!