(noun) a vault or building where corpses or bones are deposited. Synonyms: charnel house.
··
Noun Definition 1
(adj) gruesomely indicative of death or the dead. Synonyms: ghastly, sepulchral. Examples: "A charnel smell came from the chest filled with dead men's bones." "Ghastly shrieks." "The sepulchral darkness of the catacombs."