'Armies' in the Bible

"But when you see Jerusalem with armies encamping round her on every side, then be certain that her overthrow is close at hand.

deprived fire of its power, escaped being killed by the sword, out of weakness were made strong, became mighty in war, put to flight foreign armies.

I tell you that the pay of the labourers who have gathered in your crops--pay which you are keeping back--is calling out against you; and the outcries of those who have been your reapers have entered into the ears of the Lord of the armies of Heaven.

The armies in Heaven followed Him--mounted on white horses and clothed in fine linen, white and spotless.

And I saw the Wild Beast, and the kings of the earth, and their armies, all assembled to make war, once for all, against the Rider upon the horse and against His army. And the Wild Beast was captured, and with him the false Prophet