handling in WordNet English dictionary

1. manual (or mechanical) carrying or moving or delivering or working with something
   handling 
   
2. the action of touching with the hands (or the skillful use of the hands) or by the use of mechanical means
   handling  manipulation 
   
3. the management of someone or something
   "the handling of prisoners"; "the treatment of water sewage"; "the right to equal treatment in the criminal justice system"
   treatment  handling