1. 
2. 
[syn: embattled, battlemented, castled, castellated]
The Collaborative International Dictionary of English v.0.48:
Battlemented \Bat"tle*ment*ed\ (-m[e^]nt*[e^]d), a.
   Having battlements.
   [1913 Webster]
         A battlemented portal.                   --Sir W.
                                                  Scott.
   [1913 Webster]
WordNet (r) 3.0 (2006):
battlemented
    adj 1: protected with battlements or parapets with indentations
           or embrasures for shooting through
    2: having or resembling repeated square indentations like those
       in a battlement; "a crenelated molding" [syn: embattled,
       battlemented, castled, castellated]