Crossword clues for the word: CALDERA The word CALDERA has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for CALDERA Showing 1 to 7 of 7 results Clue(s) Craterlike basin of a volcano Depression at the mouth of a volcano Large basin-shaped crater at the top of a volcano Lava-oozing mouth Volcanic crater Volcanic crater about to swallow tree Volcano's crater