1. A person who works primarily with mathematics. We hired Tom to be the company's number cruncher and see if we could save money on our taxes.
2. A computer used to solve complicated mathematical problems. After I finish installing my new RAM, this computer's going to be a real number cruncher.
1. someone whose job is to work with numbers and mathematics She may not look like a number cruncher but she's with a big firm of accountants.
2. a computer that is able to solve complicated problems of mathematics The television broadcasters will use their number crunchers on election night to try and forecast the result.