Source : Webster's Revised Unabridged Dictionary (1913)

Battlemented \Bat"tle*ment*ed\ (-m[e^]nt*[e^]d), a.
   Having battlements.

         A battlemented portal.                   --Sir W.
                                                  Scott.

Source : WordNet®

battlemented
     adj 1: protected with battlements or parapets with indentations or
            embrasures for shooting through
     2: (of a building) having turrets and battlements in the style
        of a castle [syn: {castellated}, {castled}, {crenelated},
        {crenellated}]