#1
masking n. [
cover, covering, screening] the act of concealing the existence of something by obstructing the view of it; "the cover concealed their guns from enemy aircraft"
. wn #2
masking n. the blocking of one sensation resulting from the presence of another sensation; "he studied auditory masking by pure tones"
. wn #3
masking n. [
masking piece] scenery used to block the audience's view of parts of the stage that should not be seen
. wn