dungeon
noun /ˈdʌndʒən/
/ˈdʌndʒən/
- a dark underground room used as a prison, especially in a castle
- Throw him into the dungeons!
Word OriginMiddle English (also with the sense ‘castle keep’): from Old French (perhaps originally with the sense ‘lord's tower’ or ‘mistress tower’), based on Latin dominus ‘lord, master’.