mtsuwrah (Hebrew #4694)
feminine of 4692; a hemming in, i.e. (objectively) a mound (of siege), or (subjectively) a rampart (of protection), (abstractly) fortification
KJV usage: fenced (city, fort, munition, strong hold.
Pronounce: mets-oo-raw'
Origin: or mtsurah {mets-oo-raw'}