Strong's #2346: chowmah (pronounced kho-maw')
 feminine active participle of an unused root apparently meaning to join; a wall of protection:--wall, walled.
Brown-Driver-Briggs Hebrew Lexicon:
 
  chômâh 
 
 1) wall
 
  Part of Speech: noun feminine
Relation: active participle of an unused root apparently meaning to join
Usage:
This word is used 133 times:
Exodus 14:22: "of the sea upon the dry ground: and the waters  were a wall unto them on their right hand, and on their left."
Exodus 14:29: "land in the midst of the sea; and the waters  were a wall unto them on their right hand, and on their left."
Leviticus 25:29: "sell a dwelling house  in a walled city, it within"
Leviticus 25:30: "year, that is in the walled  is in the walled city shall be established forever"
Leviticus 25:31: "of the villages which have no  wall round about them shall be counted the fields"
Deuteronomy 3:5: "cities were fenced with high  walls, gates, beside unwalled"
Deuteronomy 28:52: "until thy high and fenced  walls wherein thou trustedst,"
Joshua 2:15: "the window: for her house  was upon the town and she dwelt upon the wall."
Joshua 2:15: "and she dwelt  upon the wall."
Joshua 6:5: "shall shout with a great shout;  and the wall of the city shall fall down flat, and the people"
Joshua 6:20: "shouted with a great shout,  that the wall fell down flat, so that the people went up"
1 Samuel 25:16: "They were  a wall unto us both by night and day,"
1 Samuel 31:10: "of Ashtaroth: and they fastened his body  to the wall of Beth-shan."
1 Samuel 31:12: "of Saul and the bodies of his sons from the wall  from the wall of Beth-shan, and came to Jabesh,"
2 Samuel 11:20: "that they would shoot from  the wall?"
2 Samuel 11:21: "of a millstone upon him from  the wall, that he died in Thebez? why"
2 Samuel 11:21: "that he died in Thebez? why went ye nigh  the wall? then say thou, Thy servant"
2 Samuel 11:24: "And the shooters shot from off  the wall upon thy servants; and some of the king's servants"
2 Samuel 18:24: "the roof over the gate unto  the wall, and lifted up his eyes, and looked,"
2 Samuel 20:15: "that were with Joab battered  the wall, to throw it down."
2 Samuel 20:21: "Behold, his head shall be thrown to thee over  the wall."
1 Kings 3:1: "his own house, and the house of the LORD,  and the wall of Jerusalem round about."
1 Kings 4:13: "threescore great cities  with walls and brazen bars:"
1 Kings 9:15: "of the LORD, and his own house, and Millo,  and the wall of Jerusalem, and Hazor, and Megiddo, and Gezer."
1 Kings 20:30: "to Aphek, into the city;  and there a wall fell twenty and seven"
2 Kings 3:27: "him for a burnt offering upon  the wall. And there was great indignation against"
2 Kings 6:26: "was passing by upon  the wall, there cried unto him, saying,"
2 Kings 6:30: "and he passed by upon  the wall, and the people looked, and, behold, he had sackcloth"
2 Kings 14:13: "and came to Jerusalem, and broke down  the wall of Jerusalem from the gate of Ephraim unto"
2 Kings 18:26: "of the people that are on  the wall."
2 Kings 18:27: "the men which sit on  the wall, that they may eat their own dung, and drink"
2 Kings 25:4: "by the way between  two walls, which is by the king's garden:"
2 Kings 25:10: "were with the captain of the guard, broke down  the walls of Jerusalem round about."
2 Chronicles 8:5: "the nether, fenced  with walls, gates, and bars;"
2 Chronicles 14:7: "these cities, and make about  them walls, and towers, gates, and bars, while the land"
2 Chronicles 25:23: "and brought him to Jerusalem, and broke down  the wall of Jerusalem from the gate of Ephraim"
2 Chronicles 26:6: "against the Philistines, and broke down  the wall of Gath, of Jabneh, and the wall"
2 Chronicles 26:6: "the wall of Gath,  and the wall of Jabneh, and the wall of Ashdod, and built"
2 Chronicles 26:6: "of Gath, of Jabneh,  and the wall of Ashdod, and built cities about Ashdod,"
2 Chronicles 27:3: "gate of the house of the LORD,  and on the wall of Ophel he built much."
2 Chronicles 32:5: "and built up all  the wall that was broken, and raised it up the towers,"
2 Chronicles 32:5: "the towers, and another  wall without, and repaired Millo"
2 Chronicles 32:18: "of Jerusalem were on  the wall, to frighten them, and to trouble them; that they might take"
2 Chronicles 33:14: "Now after this he built  a wall without the city of David,"
2 Chronicles 36:19: "of God, and broke down  the wall and burnt all the palaces"
Nehemiah 1:3: "are in great affliction and reproach:  the wall of Jerusalem also is broken down, and the gates thereof are burned"
Nehemiah 2:8: "of the palace which appertained to the house,  and for the wall of the city, and for the house that I shall enter"
Nehemiah 2:13: "the dung port, and viewed  the walls of Jerusalem, which"
Nehemiah 2:15: "Then went I up in the night by the brook, and viewed  the wall, and turned back, and entered"
Nehemiah 2:17: "come, and let us build up  the wall of Jerusalem, that we be no more"