catacomb
(ˈkætəˌkəʊm; -ˌkuːm)
n
1. (Building) (usually plural) an underground burial place, esp. the galleries at Rome, consisting of tunnels with vaults or niches leading off them for tombs
2. (Building) a series of interconnected underground tunnels or caves
3. (Physical Geography) a series of interconnected underground tunnels or caves
Two Rights Attempting To Make A Left! 
You must be logged in to post a comment.