Height, a town of Moab, or simply, the height=the citadel, some fortress so called; or perhaps a general name for the highlands of Moab, as some think (Jer. 48:1). In Isa. 25:12, the word is rendered “high fort.”
Easton’s Bible Dictionary
Misgab
Easton’s Bible Dictionary (1897), public domain. Text via Theographic Bible Metadata, CC BY-SA 4.0.