Crossword clues for the word: BRITANNICA The word BRITANNICA has appeared as an answer to at least 3 crossword clues on different crossword puzzles. Crossword clues for BRITANNICA Showing 1 to 3 of 3 results Clue(s) """World Book"" rival" Encyclopedia discontinuing its 32-volume print version after 244 years Pax ___ (century preceding W.W. I)