n the display of a motion picture
n fabric of metal or plastic mesh
n the act of concealing the existence of something by obstructing the view of it
n testing objects or persons in order to identify those with particular characteristics
v test or examine for the presence of disease or infection
v examine methodically
v examine in order to test suitability
v project onto a screen for viewing
v prevent from entering
v separate with a riddle, as grain from chaff
v protect, hide, or conceal from danger or harm