Crossword clues for the word: TONNEAU The word TONNEAU has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for TONNEAU Showing 1 to 7 of 7 results Clue(s) Car cover Cover for a truck bed Cover for the bed of a pickup truck Part of a limousine. Rear seat in auto of yesteryear Rear seating compartment in old automobiles Removable cover for the back seat of a convertible