pinning Meaning, Definition & Usage

1. noun a mutual promise of a couple not to date anyone else; on college campuses it was once signaled by the giving of a fraternity pin
   
2. verb to hold fast or prevent from moving
   immobilize; immobilise; trap; pin.
   
   • The child was pinned under the fallen tree
3. verb attach or fasten with pins or as if with pins
   pin.
   
   • pin the needle to the shirt". "pin the blame on the innocent man
4. verb pierce with a pin
   pin.
   
   • pin down the butterfly
5. verb immobilize a piece
   pin.
   

WordNet