Underground chamber (5)
'underground chamber' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for cavern that I've seen before include "Large cave" , "Subterranean chamber" , "Large dark hole in the ground" , "Large underground hollow" , "Large underground chamber" .)
'underground chamber' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for crypt that I've seen before include "Sepulchre" , "Undeground room" , "Cellar in church" , "Space under church" , "Underground cell" .)
'underground chamber' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for cave that I've seen before include "Hollow in a rock" , "Hollow - warning" , "Natural subterranean opening" , "hole" , "Troglodyte's home" .)