Speleologist (5)
'speleologist' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for caver that I've seen before include "Underground explorer" , "Speleologist" , "Potholer" .)
'speleologist' is the definition.
(synonyms)
This is all the clue.
(Other definitions for potholer that I've seen before include "Explorer of underground caves" , "Speleologist" , "Caver" .)