(opening). Those of walled cities made of wood, iron, or brass (Judg. 16:3; Deut. 3:5; Psa. 107:16; Acts 12:10); flanked by towers (2 Sam. 18:24,33); market and judgment places near (2 Sam. 15:2; 2 Kings 7:1; Job 29:7; Deut. 17:5;25. 7; Amos 5:10; Ruth 4:1-12); symbol of power (Gen. 22:17; Isa. 24:12; Matt. 16:18); the city itself (Deut. 12:12).