[skriːn], (Noun)

Definitions:
- a fixed or movable upright partition used to divide a room, give shelter from draughts, heat, or light, or to provide concealment or privacy
(e.g: he remained hidden behind the screen for prosecution witnesses)

- a flat panel or area on an electronic device such as a television, computer, or smartphone, on which images and data are displayed
(e.g: a television screen)

- a transparent finely ruled plate or film used in half-tone reproduction

- a system of checking a person or thing for the presence or absence of something, typically a disease
(e.g: services offered by the centre include a health screen for people who have just joined the company)

- a detachment of troops or ships detailed to cover the movements of the main body
(e.g: HMS Prince Leopold and HMS Prince Charles sailed for Shetland with a screen of four destroyers)

- a large sieve or riddle, especially one for sorting substances such as grain or coal into different sizes
(e.g: the material retained on each sieve screen is weighed in turn)


Phrases:

Origin:
Middle English: shortening of Old Northern French escren, of Germanic origin

[skriːn], (Verb)

Definitions:
- conceal, protect, or shelter (someone or something) with a screen or something forming a screen
(e.g: her hair swung across to screen her face)

- show (a film or video) or broadcast (a television programme)
(e.g: 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
(e.g: 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
(e.g: 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


Phrases:

Origin:
Middle English: shortening of Old Northern French escren, of Germanic origin