'Ground' in the Bible

Now there went forth a wind from the Lord and it brought quail from the sea, and let them fall beside the camp, about a day’s journey on this side and a day’s journey on the other side, all around the camp and about two cubits deep on the surface of the ground.

But if the Lord brings about an entirely new thing and the ground opens its mouth and swallows them up with all that is theirs, and they descend alive into Sheol, then you will understand that these men have spurned the Lord.”

As he finished speaking all these words, the ground that was under them split open;

Then the Lord opened the eyes of Balaam, and he saw the angel of the Lord standing in the way with his drawn sword in his hand; and he bowed all the way to the ground.