| A | B |
|---|
| battlement | defensive walls with toothlike projections |
| bailey | an open courtyard within the walls of the castle |
| portcullis | iron grating that can be pulled down over a castle entrance |
| palisade | a fence made of pointed wooden stakes |
| loophole | a small opening in a wall through which a weapon can be fired |
| crenellation | jagged protective stonework at the top of the castle wall |
| moat | water-filled ditch around the outside of the castle |
| gatehouse | complex of towers, bridges, and barriers to protect each entrance through a castle or town wall |
| machicolation | an opening in a projecting castle wall through which objects can be dropped on the enemy |
| solar | the lord's and lady's main sitting room |
| garderobe | a small latrine or bathroom built into the thickness of a wall or projected out of it |
| keep | fortified tower containing living quarters at the heart of the castle |
