'Battle array' in the Bible
The sons of Ammon came out and drew up in battle array at the entrance of the city, while the Arameans of Zobah and of Rehob and the men of Tob and Maacah were by themselves in the field.
When David learned this, he mustered all of Israel, crossed the Jordan River, and approached Helam. The Arameans assembled in battle array to attack David, and started their assault.
So David responded, "I'll do what you think best." Then he stood alongside the city gate as the army went out in battle array by hundreds and thousands.
Next was Dodai the Ahohite's son Eleazar. Eleazar, who also was one of the Three, was with David when they challenged the Philistines. When the Philistines had assembled in battle array, the Israeli army retreated,