Crossword clues for the word: CANNONFIRE The word CANNONFIRE has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for CANNONFIRE Showing 1 to 5 of 5 results Clue(s) *Civil War volley "Feature of Tchaikovsky's ""1812 Overture""" "Loud part of the ""1812 Overture""" Barrage from big guns Large gun barrage