Screen

Screen (skrēn), n. (Cricket) An erection of white canvas or wood placed on the boundary opposite a batsman to enable him to see ball better.

Screen (skrēn), 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.

They were encouraged and screened by some who were in high commands.
Macaulay.

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.

Screen (skrēn), n. [OE. scren, OF. escrein, escran, F. écran, 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.

Your leavy screens throw down.
Shak.

Some ambitious men seem as screens to princes in matters of danger and envy.
Bacon.

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.

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.

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.