1.a white or silvered surface where pictures can be projected for viewing

2.something that keeps things out or hinders sight;

they had just moved in and had not put up blinds yet

3.display on the surface of the large end of a cathode-ray tube on which is electronically created

4.a covering that serves to conceal or shelter something;

they crouched behind the screen

5.protective covering consisting of a metallic netting mounted in a frame and covering windows or doors (especially for protection against insects)

6.a strainer for separating lumps from powdered material or grading particles

7.a door that is a screen to keep insects from entering a building through the open door;

he heard the screen slam as she left

8.partition consisting of a decorative frame or panel that serves to divide a space

1.test or examine for the presence of disease or infection;

screen the blood for the HIV virus

2.examine methodically;

screen the suitcases

3.examine in order to test suitability;

screen these samples

4.project onto a screen for viewing;

screen a film

5.prevent from entering;

block out the strong sunlight

6.separate with a riddle, as grain from chaff

7.protect, hide, or conceal from danger or harm