'Army' in the Bible

There is a loud noise on the mountains -- it sounds like a large army! There is great commotion among the kingdoms -- nations are being assembled! The Lord who commands armies is mustering forces for battle.

The king of Assyria sent his chief adviser from Lachish to King Hezekiah in Jerusalem, along with a large army. The chief adviser stood at the conduit of the upper pool which is located on the road to the field where they wash and dry cloth.

the one who led chariots and horses to destruction, together with a mighty army. They fell down, never to rise again; they were extinguished, put out like a burning wick: