Hello crossword solvers! Today let's find the answer to the clue Signal hinted at by the first parts of 17-, 31- and 46-Acros from the USA Today crossword. After we've gathered any other hints from the USA Today crossword puzzle and all possible helpful and relevant information from other sources, we are ready to solve the clue Signal hinted at by the first parts of 17-, 31- and 46-Acros. The answer we found for the clue Signal hinted at by the first parts of 17-, 31- and 46-Acros is: