Crossword clues for the word: TAILFINS The word TAILFINS has appeared as an answer to at least 5 crossword clues on different crossword puzzles. Crossword clues for TAILFINS Showing 1 to 5 of 5 results Clue(s) Detroit-made adornments. Flashy '40s-'60s Cadillac features Late-1950s car stylings designed to look aerodynamic Prominent feature of the Batmobile They were big in the '50s