conceal, protect, or shelter (someone or something) with a screen or something forming a screen

her hair swung across to screen her face

a high hedge screened all of the front from passers-by

show (a film or video) or broadcast (a television programme)

the show is to be screened by the BBC later this year

test (a person or substance) for the presence or absence of a disease

outpatients were screened for cervical cancer

pass (a substance such as grain or coal) through a large sieve or screen, especially so as to sort it into different sizes

granulated asphalt—manufactured to 40 mm down or screened to 28 mm & 14 mm down

project (a photograph or other image) through a transparent ruled plate so as to be able to reproduce it as a half-tone