nipper

noun

1. a person or thing that nips.
2. Usually nippers. a device for nipping, as pincers or forceps.
3. one of the two large claws of a crustacean.
4. Metalworking. dog(def 13).
5. nippers, Older Slang. handcuffs.
6. Informal.
   1. a small boy.
   2. Chiefly British.a costermonger’s helper or assistant.
7. Nautical. a short rope for seizing an anchor cable to a messenger from a capstan.

noun

1. a person or thing that nips
2. the large pincer-like claw of a lobster, crab, or similar crustacean
3. informal a small child
4. Australian a type of small prawn used as bait