S: (n) screening (fabric of metal or plastic mesh)
S: (n) cover, covering, screening, masking (the act of concealing the existence of something by obstructing the view of it) "the cover concealed their guns from enemy aircraft"
S: (n) screening (testing objects or persons in order to identify those with particular characteristics)
Verb
S: (v) screen, test (test or examine for the presence of disease or infection) "screen the blood for the HIV virus"
S: (v) screen (examine methodically) "screen the suitcases"
S: (v) screen, screen out, sieve, sort (examine in order to test suitability) "screen these samples"; "screen the job applicants"
S: (v) screen (project onto a screen for viewing) "screen a film"
S: (v) protect (shield from danger, injury, destruction, or damage) "Weatherbeater protects your roof from the rain"
S: (v) defend (be on the defensive; act against an attack)
S: (v) prevent, keep (stop (someone or something) from doing something or being in a certain state) "We must prevent the cancer from spreading"; "His snoring kept me from falling asleep"; "Keep the child from eating the marbles"