ὀχύρωμα, -τος, τό (ὀχυρόω, to fortify, make firm), [in LXX for מִבְצָר, etc. ;] a stronghold, fortress (Psa.89:40, Nam.3:12, 14 al.); in LXX and NT, also metaphorically of that in which confidence is placed (Pro.10:29 21:22, al.): 2Co.10:4.† (AS)
STRONG'S WORD STUDY
G3794 — ὀχύρωμα
ochurōma · stronghold · Greek