| CRENEL | Opening between two merlons at the top of a medieval castle wall or parapet, used by defenders for firing arrows (6) |
| TORCHES | Light sources on a medieval castle wall |
| LOOPHOLE | An arrow-slit or crenel in a castle wall; or, an ambiguity in a contract or law as a means of escape (8) |
| CANNON | A great gun, such as a bombard, for blasting a castle wall; or, the crowning metal loop of an old bell (6) |
| EVENTS | There is an opening between two quarters at the games (6) |
| DOORWAY | opening between two rooms |
| HATCH | opening between two rooms |
| BACKPACK | Rucksack used by defender with group (8) |
| EMBRASURE | Opening in a wall or parapet for a cannon (9) |
| BATTLEMENT | A wall or parapet with embrasures (10) |
| KEEP | From the Old English meaning "to observe" or "compare", the donjon or tower at the heart of a medieval castle, used as a refuge (4) |
| GLOTTIS | The vocal apparatus of the larynx, consisting of the two true vocal cords and the opening between them |
| FEAST | Banquet held in the great hall of a medieval castle; or, another word for a village festival (5) |
| WARWICK | Town in central England on the River Avon; location of a medieval castle originally built by William the Conqueror during 1068 (7) |
| PANTLER | An officer in charge of stocking and maintaining the bread and other provisions of a medieval castle or manor house's kitchen (7) |
| ETAL | Small village in Northumberland with the substantial ruins of a medieval castle now owned by English Heritage (4) |
| PROSCENIUMARCH | A structure framing the opening between the stage and auditorium in a theatre (10,4) |
| DONJON | The heavily fortified central tower or keep of a medieval castle |
| TURRET | Little tower projecting from the corner of a medieval castle (6) |
| SHOWDOWN | Sounds like a job for F'ilte Ireland up North produced by The Clash (8) |
