Crossword clues for the word: MAINDRAGON The word MAINDRAGON has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for MAINDRAGON Showing 1 to 4 of 4 results Clue(s) Head of a group of mythical serpents? Leader of the Anti-Knight Guild? Smaug, in "The Hobbit"? Your basic fire-breather?