The Philistines put themselves in array against Israel: and when they joined battle, Israel was struck before the Philistines; and they killed of the army in the field about four thousand men.
The Hebrew word eleph, translated thousand (1 Samuel 4:2), can also mean military unit. Military units were of varying sizes but considerably smaller than 1,000 soldiers. [Note: For more information concerning the problem of large numbers in the Old Testament, see R. E. D. Clark, "The Large Numbers of the Old Testament," Journal of Transactions of the Victoria Institute 87 (1955):82-92; and J. W. Wenham, "Large Numbers in the Old Testament," Tyndale Bulletin 18 (1967):19-53.] 