Jeremiah 48:20

²⁰ Moab has been put to shame, she is broken: make loud sounds of grief, crying out for help; give the news in Arnon, that Moab has been made waste.

Armies

Armies of the heavens and the sands of the sea ('Jeremiah 33:15-22') signify the knowledges of truth and good in the spiritual and natural man.