'Wall' in the Bible

and Saul cast the spear; for he said, I will smite David even to the wall. And David avoided out of his presence twice.

And Saul sought to smite David even to the wall with the spear; but he slipped away out of Saul's presence, and he smote the spear into the wall: and David fled, and escaped that night.

And the king sat upon his seat, as at other times, even upon the seat by the wall; and Jonathan stood up, and Abner sat by Saul's side: but David's place was empty.

they were a wall unto us both by night and by day, all the while we were with them keeping the sheep.

And they put his armor in the house of the Ashtaroth; and they fastened his body to the wall of Beth-shan.

all the valiant men arose, and went all night, and took the body of Saul and the bodies of his sons from the wall of Beth-shan; and they came to Jabesh, and burnt them there.