FROM STRONG’S HEBREW DICTIONARY (1890)

Strong’s Hebrew Dictionary (1890) — public domain, printed whole.

mtsad mets-ad' — or mtsad {mets-awd'}; or (feminine) mtsadah {mets-aw-daw'}; from 6679; a fastness (as a covert of ambush):--castle, fort, (strong) hold, munition.

see HEBREW for 06679