catacomb
/ˈkætəkəʊm/noun
(一般作catacombs)
1- an underground cemetery consisting of a subterranean gallery with recesses for tombs, as constructed by the ancient Romans地下墓地（如由古罗马人所建, 由作坟墓的壁凹和地下走廊组成）。
1.1
- an underground construction resembling or compared to such a cemetery地下走道; 地窖。
词源
Old English, from late Latin catacumbas, the name of the subterranean cemetery of St Sebastian near Rome.