screening in WordNet English dictionary

1. the act of concealing the existence of something by obstructing the view of it
   "the cover concealed their guns from enemy aircraft"
   cover  covering  screening  masking 
   
2. testing objects or persons in order to identify those with particular characteristics
   screening 
   
3. fabric of metal or plastic mesh
   screening 
   
4. the display of a motion picture
   screening  showing  viewing