n.[C]

1. （城堡内的）土牢，地牢
   They were driven into a dark dungeon.

   他们被人驱赶进入一个黑暗的地牢。

2. （城堡的）主楼

vt.

1. 将……囚禁于土牢[（+up）]

n.

1. a strong underground prison cell, especially in a castle.
2. archaic term for donjon.

v.