'Ground' in the Bible

He was with David at Pasdammim, and there the Philistines were gathered together to battle, where was a parcel of ground full of barley; and the people fled from before the Philistines.

And as David came to Ornan, Ornan looked and saw David, and went out of the threshingfloor, and bowed himself to David with his face to the ground.

And over them that did the work of the field for tillage of the ground was Ezri the son of Chelub: