noun🔗ShareCatacombe(often plural) An underground system of tunnels and chambers with recesses for graves, used (in former times) as a cemetery; a tunnel system used for burying the dead, as in Paris or Ancient Rome."During their trip to Rome, the tourists explored an ancient catacomb filled with the remains of early Christians. "Pendant leur voyage à Rome, les touristes ont exploré une ancienne catacombe remplie des restes des premiers chrétiens.archaeologyhistoryreligionculturearchitectureplaceChat with AIVocabulary GamePractice Reading