From Longman Dictionary of Contemporary Englishcatacombcat‧a‧comb /ˈkætəkuːm $ -koʊm/ noun [countable usually plural] MXan area underground where dead people are buried SYN tomb
Examples from the Corpus
catacomb• He turned back down the corridor, which was now as dark as a catacomb.• In its layout the interior resembled black catacombs.• A thing of wonder, they stretch to the skies, and can seem for a time great catacombs of effort.• A real den of iniquity it's divided up into several little catacombs.• They sat on the floor of the pigsty catacomb, praying.• Frankly, I was stunned when I saw myself like a kewpie doll from the catacombs.• He walked through the night city like a man seeking a resting place in the catacombs.• The Isolation Plant is an immense underground catacomb of storage cells.Origin catacomb (900-1000) Late Latin Catacumbas underground place in Rome where the bodies of St Peter and St Paul were said to be buried