4692. matsowr (maw-tsore')
or matsuwr {maw-tsoor'}; from tsuwr; something hemming in, i.e. (objectively) a mound (of besiegers), (abstractly) a siege, (figuratively) distress; or (subjectively) a fastness
besieged, bulwark, defence, fenced, fortress, siege, strong (hold), tower.
see HEBREW tsuwr
