Heshbon — Heshbon was it seems a place of force. The crown — That is, the glory.
Related Commentaries of Jeremiah 48:45
Jeremiah 48:45
45 They that fled stood under the shadow of Heshbon because of the force: but a fire shall come forth out of Heshbon, and a flame from the midst of Sihon, and shall devour the corner of Moab, and the crown of the head of the tumultuousm ones.