'Army' in the Bible

Listen, a tumult on the mountains,like that of a mighty people!Listen, an uproar among the kingdoms,like nations being gathered together!The Lord of Hosts is mobilizing an army for war.

Then the king of Assyria sent the Rabshakeh, along with a massive army, from Lachish to King Hezekiah at Jerusalem. The Assyrian stood near the conduit of the upper pool, by the road to the Fuller’s Field.

who brings out the chariot and horse,the army and the mighty one together(they lie down, they do not rise again;they are extinguished, quenched like a wick)—