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The Collaborative International Dictionary of English v.0.48 (gcide)

Screen \Screen\ (skr[=e]n), n. [OE. scren, OF. escrein, escran,
F. ['e]cran, of uncertain origin; cf. G. schirm a screen,
OHG. scirm, scerm a protection, shield, or G. schragen a
trestle, a stack of wood, or G. schranne a railing.]
1. Anything that separates or cuts off inconvenience, injury,
or danger; that which shelters or conceals from view; a
shield or protection; as, a fire screen.
[1913 Webster]

Your leavy screens throw down. --Shak.
[1913 Webster]

Some ambitious men seem as screens to princes in
matters of danger and envy. --Bacon.
[1913 Webster]

2. (Arch.) A dwarf wall or partition carried up to a certain
height for separation and protection, as in a church, to
separate the aisle from the choir, or the like.
[1913 Webster]

3. A surface, as that afforded by a curtain, sheet, wall,
etc., upon which an image, as a picture, is thrown by a
magic lantern, solar microscope, etc.
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4. A long, coarse riddle or sieve, sometimes a revolving
perforated cylinder, used to separate the coarser from the
finer parts, as of coal, sand, gravel, and the like.
[1913 Webster]

5. (Cricket) An erection of white canvas or wood placed on
the boundary opposite a batsman to enable him to see ball
better.
[Webster 1913 Suppl.]

6. a netting, usu. of metal, contained in a frame, used
mostly in windows or doors to allow in fresh air while
excluding insects.

{Screen door}, a door of which half or more is composed of a
screen.

{Screen window}, a screen inside a frame, fitted for
insertion into a window frame.
[PJC]

7. The surface of an electronic device, as a television set
or computer monitor, on which a visible image is formed.
The screen is frequently the surface of a cathode-ray tube
containing phosphors excited by the electron beam, but
other methods for causing an image to appear on the screen
are also used, as in flat-panel displays.
[PJC]

8. The motion-picture industry; motion pictures. "A star of
stage and screen."
[PJC]


Screen \Screen\ (skr[=e]n), v. t. [imp. & p. p. {Screened}; p.
pr. & vb. n. {Screening}.]
1. To provide with a shelter or means of concealment; to
separate or cut off from inconvenience, injury, or danger;
to shelter; to protect; to protect by hiding; to conceal;
as, fruits screened from cold winds by a forest or hill.
[1913 Webster]

They were encouraged and screened by some who were
in high commands. --Macaulay.
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2. To pass, as coal, gravel, ashes, etc., through a screen in
order to separate the coarse from the fine, or the
worthless from the valuable; to sift.
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3. to examine a group of objects methodically, to separate
them into groups or to select one or more for some
purpose. As:
(a) To inspect the qualifications of candidates for a job,
to select one or more to be hired.
(b) (Biochem., Med.) to test a large number of samples, in
order to find those having specific desirable
properties; as, to screen plant extracts for
anticancer agents.
[PJC]