Crossword Genius

Cavern (6)

Ross

I believe the answer is:

grotto

'cavern' is the definition.
(I know that grotto is a type of cavern)

This is the entire clue.

(Other definitions for grotto that I've seen before include "Fancy cave" , "In company (with); over length of" , "Cavern" , "Small cave, perhaps with religious connotations" , "Ornamental cave" .)

I've seen this clue in the Penny Press, The Mirror and The Star Tribune.
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