'Army' in the Bible

Now Abner, the son of Ner, captain of Saul's army, had taken Saul's son Ish-bosheth over to Mahanaim,

Then at the sound of footsteps in the tops of the trees, go forward quickly, for the Lord has gone out before you to overcome the army of the Philistines.

And when Tou, king of Hamath, had news that David had overcome all the army of Hadadezer,

And Joab, the son of Zeruiah, was chief of the army; and Jehoshaphat, the son of Ahilud, was keeper of the records;

And hearing of this, David sent Joab and all the army and the best fighting-men.

And Hadadezer sent for the Aramaeans who were on the other side of the River: and they came to Helam, with Shobach, the captain of Hadadezer's army, at their head.

And the Aramaeans went in flight before Israel; and David put to the sword the men of seven hundred Aramaean war-carriages and forty thousand footmen, and Shobach, the captain of the army, was wounded, and came to his death there.

But my suggestion is that all Israel, from Dan as far as Beer-sheba, comes together to you, a great army like the sands of the sea in number; and that you yourself go out among them.

And Absalom put Amasa at the head of the army in place of Joab. Now Amasa was the son of a man named Ithra the Ishmaelite, who had been the lover of Abigail, the daughter of Jesse, sister of Zeruiah, Joab's mother.

And say to Amasa, Are you not my bone and my flesh? May God's punishment be on me, if I do not make you chief of the army before me at all times in place of Joab!

Now Joab was over all the army; and Benaiah, the son of Jehoiada, was at the head of the Cherethites and the Pelethites;

And the three men, forcing their way through the Philistine army, got water from the water-hole of Beth-lehem, by the doorway into the town, and took it back to David: but he would not take it, but, draining it out, made an offering of it to the Lord.

And the king said to Joab and the captains of the army, who were with him, Go now through all the tribes of Israel, from Dan as far as Beer-sheba, and have all the people numbered, so that I may be certain of the number of the people.

But the king's order was stronger than Joab and the captains of the army. And Joab and the captains of the army went out from the king, to take the number of the children of Israel.