Catacomb
Catacomb
/ˈka-tə-ˌkōm/
noun
Happy Halloween from the Dictionary Project!
(often plural) an underground chamber with recesses for graves
“As an eerie, powerful monument, the Catacombs[of Paris] connect the present with centuries of history, where the stories of the Parisian people continue to inspire and haunt visitors from all walks of life.”
— Friends of Fondation de France