Underground tomb (5)

I believe the answer is:
crypt
(Other definitions for crypt that I've seen before include "Tomb" , "Space under church" , "Sepulchre" , "Vault beneath a church" , "Church basement" .)
I believe the answer is:
crypt
(Other definitions for crypt that I've seen before include "Tomb" , "Space under church" , "Sepulchre" , "Vault beneath a church" , "Church basement" .)