| A | B |
|---|
| arrow loops | vertical slits cut into walls for arrows |
| batter | sharp angle at the exterior base of the walls and towers |
| battlement | wall built on the outer edge of the wall walk |
| cistern | stone tank at the top of a tower to collect water for the kitchen |
| garderobe | a small latrine built into or onto a castle wall |
| gatehouse | group of towers, bridges, and barriers that protected the castle entrance |
| hoarding | wooden platform hung prior to a battle from which soldiers fired at the enemy |
| great hall | main building in the inner ward, used for gathering and dining |
| inner curtain | high wall surrounding castle's inner ward |
| mine | tunnel dug under a castle wall by attackers |
| murder holes | openings in the gatehouse floor for dropping weapons on attackers |
| outer curtain | wall that encloses a castle's outer ward |
| outer ward | area around the outside of castle's inner curtain |
| portcullis | heavy timber grille lowered between the towers of each gatehouse |
| postern gates | side entrances of a castle |
| sappers | attackers who mined under a castle wall to collapse it |
| trusses | timber frames which suppported the great hall's roof |
| turret | small lookout tower built atop a main tower |
| wall walk | walkway built along the tops of the castle walls |
| crenelation | regular gaps for firing from a rampart or parapet |
