Underground burial chamber (5)
'underground burial chamber' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for crypt that I've seen before include "Underground church vault" , "Underground chapel" , "Space under church" , "Vault beneath a church" , "Sepulchre" .)
'underground burial chamber' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for catacomb that I've seen before include "burial site" , "cellar" , "underground vault" , "series of tunnels" , "Underground burial chamber" .)