Definition of "Screen" :

noun: a protective covering that keeps things out or hinders sight

noun: a protective covering consisting of netting; can be mounted in a frame

"They put screens in the windows for protection against insects."

noun: a covering that serves to conceal or shelter something

"A screen of trees afforded privacy."

noun: partition consisting of a decorative frame or panel that serves to divide a space

noun: the display that is electronically created on the surface of the large end of a cathode-ray tube

noun: a white or silvered surface where pictures can be projected for viewing

noun: a strainer for separating lumps from powdered material or grading particles

noun: the personnel of the film industry

"A star of stage and screen."

verb: examine methodically

"Screen the suitcases."

verb: protect, hide, or conceal from danger or harm

verb: separate with a riddle, as grain from chaff

verb: prevent from entering

verb: project onto a screen for viewing

"Screen a film."

verb: examine in order to test suitability

"Screen these samples."

verb: test or examine for the presence of disease or infection

"Screen the blood for the HIV virus."