crabbing

from The Collaborative International Dictionary of English v.0.48

Crabbing \Crab"bing\, n.
   1. The act or art of catching crabs.
      [1913 Webster]

   2. (Falconry) The fighting of hawks with each other.
      [1913 Webster]

   3. (Woolen Manuf.) A process of scouring cloth between rolls
      in a machine.
      [1913 Webster]