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
H4679. metsad
מְצַד מְצָד, noun feminineJeremiah 48:41 fastness, stronghold (properly hunting-place?); — absolute מְצָד 1 Chronicles 11:7; 12:16, מְצַד 12:8; plural absolute מְצָדוֺת 1 Samuel 23:14+, construct id. 23:29 (Gi, 24:1 van d. H. Baer), Isaiah 33:16; —
1 mounting-fastness Judges 6:2; 1 Samuel 23:14, 19, 29 (see above), Ezekiel 33:27; 1 Chronicles 12:8; 12:16; סְלָעִים מְצָדוֺת Isaiah 33:16.
2 more Generally, stronghold Jeremiah 48:41; 51:30; Ezekiel 19:9 (Baer Gi; van d. H. מְצֹדוֺת id. [II. מְצוֺדָה] Ew Hi-Sm Da and others; nets [1. מְצוֺדָה] Krae; strike out Co Oort Toy); citadel of Jerusalem 1 Chronicles 11:7.