Strong's H759 · Hebrew

'armown

ar-mone'

from an unused root (meaning to be elevated); a citadel (from its height)

Scholarly Lexicons

Brown-Driver-Briggs (BDB)

 H759 אַרְמוֹן citadel — citadel , castle , palace , not used before royal period, mostly in prophets, esp. common in Am & Je  

Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain