Crossword clues for the word: OMNIUM The word OMNIUM has appeared as an answer to at least 7 crossword clues on different crossword puzzles. Crossword clues for OMNIUM Showing 1 to 7 of 7 results Clue(s) ___-gatherum ___-gatherum (hodgepodge) ___-gatherum (olio) ___-gatherum: mixed bag "___ gatherum, miscellaneous collection." Track cycling competition consisting of six events Whatnot