| CRENEL | Alternating with a merlon, an open section at the top of a wall or parapet in a battlement |
| NEWEL | Horizontal railing section at the top or bottom of an escalator |
| EMBRASURE | Opening in a wall or parapet for a cannon (9) |
| BATTLEMENT | A wall or parapet with embrasures (10) |
| HAMILTON | ___ - Russell Cup was awarded to the Indian men's team that won the Open section in the Chess Olympiad last month. (8) |
| OVERT | Open section of Dover tunnel (5) |
| KEEPSDOWN | Doesn't raise head above parapet in castles in Ulster (5,4) |
| APPERTAIN | Belong to parapet, in another way (9) |
| QUOIN | External angle of a wall or building, or one of the bricks or stones of which it is formed (5) |
| CAPSTONE | Top piece of a wall or coping |
| REACHES | Open sections of river (*see arch) (7) |
| ROOK | Bird related to crows, ravens and jackdaws; or, a chess piece in the form of a battlement (4) |
| RAM | A beam for battering, breaking or breaching a barricade, bastion, battlement or bulwark; a beak of a boat's bow; or, a buck bellwether (3) |
| EPILOGUE | A section at the end of a book or play that serves as a conclusion to what has happened (8) |
| TRIGLYPH | In architectural order, term for a tablet with three grooves alternating with metopes in a Doric frieze (8) |
| EMBRASURES | Openings or indentations, as in a battlement, for shooting through |
| CRENELS | Spaces in a battlement |
| HEADERS | Bricks laid sideways at the top of a wall (7) |
| FRIEZE | A decorative horizontal band, as along the top of a wall |
| CORNICE | Moulding at the top of a wall (7) |
