1. A subterraneous place for the burial of the dead.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• catacory,
• catacomes,
• xatacomb,
• vatacomb,
• fatacomb,
• catacom,
• catakomb,
• datacomm,
• catacomba,
• catacombe,
• catacombes,
• catacombse,
• catacombs,
• catapora,
• DATACOMS,
• DATACOMMB,
• Catacusmb,
• Cantacoi,
• carechomb,
• Caladome

The adjective form of the word "catacomb" is "catacombal".

The plural of the "catacomb" can be the "catacombs".

The singular of the "catacomb" can be the "catacomb".