Crossword clues for the word: CAIUS The word CAIUS has appeared as an answer to at least 4 crossword clues on different crossword puzzles. Crossword clues for CAIUS Showing 1 to 4 of 4 results Clue(s) "Dr. ___, Anne Page's suitor" "Dr. ___, of ""The Merry Wives... """ 283-296 A.D. pope St. ___ (third-century Pope)