Crossword clues for the word: MAINMAST The word MAINMAST has appeared as an answer to at least 9 crossword clues on different crossword puzzles. Crossword clues for MAINMAST Showing 1 to 9 of 9 results Clue(s) It's in front of a mizzen Maritime upright Mizzen neighbor Post at sea Schooner or brig component Schooner pole Schooner spar. Sloop part Yawl pole