4. (noun)screen, cover, covert, concealment 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"
5. (noun)screen 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"
6. (noun)filmdom, screenland, screen the personnel of the filmindustry "a star of stage and screen"
7. (noun)sieve, screen a strainer for separating lumps from powdered material or grading particles