Read the dictionary definition of nick. All definitions for this word.
1. a small cut
2. (British slang) a prison
1. he's in the nick
3. an impression in a surface (as made by a blow)
4. mate successfully; of livestock
5. divide or reset the tail muscles of
1. nick horses
6. cut a nick into
7. cut slightly, with a razor
1. The barber's knife nicked his cheek