Answer: battlement

AnswerCrossword Clue
BATTLEMENTFortified area of a castle
BATTLEMENTGhostly hangout in "Hamlet"
BATTLEMENTArcher's post
battlementa parapet with open spaces that surmounts a wall and is used for defense or decoration
battlementA section of roof enclosed by this
battlementA parapet at the top of a wall, usually of a fort or castle, that has regularly spaced, squared openings for shooting through