Strong's Concordance

Original word: מְצָד
Transliteration: metsad
Definition (short): strongholds
Definition (full): fastness, a stronghold

NAS Exhaustive Concordance

Word Origin: from tsud
Definition: fastness, a stronghold
NASB Translation: impregnable (1), stronghold (3), strongholds (7).
NAS Exhaustive Concordance of the Bible with Hebrew-Aramaic and Greek Dictionaries.
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Strong's Exhaustive Concordance

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

see HEBREW tsuwd

KJV: And the hand of Midian prevailed against Israel: and because of the Midianites the children of Israel made them the dens which are in the mountains, and caves, and strong holds.
NASB: The power of Midian prevailed against Israel. Because of Midian the sons of Israel made for themselves the dens which were in the mountains and the caves and the strongholds.
KJV: And David abode in the wilderness in strong holds, and remained in a mountain in the wilderness of Ziph. And Saul sought him every day, but God delivered him not into his hand.
NASB: David stayed in the wilderness in the strongholds, and remained in the hill country in the wilderness of Ziph. And Saul sought him every day, but God did not deliver him into his hand.
KJV: Then came up the Ziphites to Saul to Gibeah, saying, Doth not David hide himself with us in strong holds in the wood, in the hill of Hachilah, which is on the south of Jeshimon?
NASB: Then Ziphites came up to Saul at Gibeah, saying, "Is David not hiding with us in the strongholds at Horesh, on the hill of Hachilah, which is on the south of Jeshimon?
KJV: And David went up from thence, and dwelt in strong holds at Engedi.
NASB: David went up from there and stayed in the strongholds of Engedi.
KJV: And David dwelt in the castle; therefore they called it the city of David.
NASB: Then David dwelt in the stronghold; therefore it was called the city of David.