Circular hollow in rock caused by melting of trapped ice

Let's find possible answers to "Circular hollow in rock caused by melting of trapped ice" crossword clue. First of all, we will look for a few extra hints for this entry: Circular hollow in rock caused by melting of trapped ice. Finally, we will solve this crossword puzzle clue and get the correct word. We have 1 possible solution for this clue in our database.