|1.||[ noun ] the act of concealing the existence of something by obstructing the view of it|
|Synonyms:||cover screening covering|
"the cover concealed their guns from enemy aircraft"
|Related terms:||concealment cover dissemble cover|
|2.||[ noun ] (psychology) the blocking of one sensation resulting from the presence of another sensation|
"he studied auditory masking by pure tones"
|3.||[ noun ] (theater) scenery used to block the audience's view of parts of the stage that should not be seen|
|4.||[ adjective ] hiding from view|
"speeding down the other lane beyond the masking truck"- T.H.White" "a masking piece is a flat or curtain that hides part of the stage from the audience"