1. a small fragment of something broken off from the whole;
"a bit of rock caught him in the eye"
2. a triangular wooden float attached to the end of a log line
3. a piece of dried bovine dung
4. a thin crisp slice of potato fried in deep fat
5. a mark left after a small piece has been chopped or broken off of something
6. a small disk-shaped counter used to represent money when gambling
7. electronic equipment consisting of a small crystal of a silicon semiconductor fabricated to carry out a number of electronic functions in an integrated circuit