Rank
rank: (1) 'orach, used in Joe 2:7 of the advance of the locust army which marched in perfect order and in straight lines, none crossing the other's track. (2) ma`arakhah, "battle array" (1Ch 12:38 the King James Version; compare 1Sa 4:16; 17:22,48).
⇒See the definition of rank in the KJV Dictionary
See ARMY.