Main entry: masking, screening, cover, covering
Definition: the act of concealing the existence of something by obstructing the view of it
Usage: the cover concealed their guns from enemy aircraft
Main entry: masking, masking piece
Definition: scenery used to block the audience's view of parts of the stage that should not be seen
Main entry: masking
Definition: the blocking of one sensation resulting from the presence of another sensation
Usage: he studied auditory masking by pure tones