pincher

/ˈpɪntʃər/
noun
  1. A person or thing that pinches, especially one who steals or takes small amounts.
    • The dog was a pincher, always grabbing socks from the laundry.
    • My little brother is a real pincher when it comes to snacks.
    • The office pincher took pens and paper from everyone's desk.
  2. A tool or device that pinches, such as pliers or tongs.
    • He used a pincher to pull the nail out of the wood.
    • The chef grabbed the hot pan with a metal pincher.
    • A wire pincher helped him cut the cable cleanly.
  3. A claw or pincer of a crab, lobster, or similar animal.
    • A lobster's pincher can give a painful squeeze.
    • The small pincher of the shrimp was barely visible.
    • The crab raised its pincher to defend itself.