Battlements

Listen from:
2. netishoth: this signifies “expansion,” and may well refer to extended battlements. A parapet on the walls, with holes through which arrows could be shot, may be seen on some of the Assyrian monuments (Jer. 5:1010Go ye up upon her walls, and destroy; but make not a full end: take away her battlements; for they are not the Lord's. (Jeremiah 5:10)).
Jerusalem City Wall