Horonaim — literally, the two caverns, or the two Horons — may imply, like other dual names of towns, that there was an upper and a lower city. It is mentioned in Isaiah 15:5, but has not been identified.
Related Commentaries of Jeremiah 48:3
Jeremiah 48:3
3 A voice of crying shall be from Horonaim, spoiling and great destruction.