What does SCREEN mean?

noun

1. a white or silvered surface where pictures can be projected for viewing
2. a protective covering that keeps things out or hinders sight“they had just moved in and had not put up blinds yet”
3. the display that is electronically created on the surface of the large end of a cathode-ray tube
4. a covering that serves to conceal or shelter something“a screen of trees afforded privacy”
5. a protective covering consisting of netting; can be mounted in a frame“they put screens in the windows for protection against insects”
6. the personnel of the film industry“a star of stage and screen”
7. a strainer for separating lumps from powdered material or grading particles
8. a door that consists of a frame holding metallic or plastic netting; used to allow ventilation and to keep insects from entering a building through the open door“he heard the screen slam as she left”