prevent from entering; "block out the strong sunlight"
a protective covering that keeps things out or hinders sight; "they had just moved in and had not put up blinds yet"
project onto a screen for viewing; "screen a film"
a protective covering consisting of netting; can be mounted in a frame; "they put screens in the windows for protection against insects"; "a metal screen protected the observers"
examine in order to test suitability; "screen these samples"; "screen the job applicants"
a covering that serves to conceal or shelter something; "a screen of trees afforded privacy"; "under cover of darkness"; "the brush provided a covert for game"; "the simplest concealment is to match perfectly the color of the background"