What is the meaning of screening?

noun

• The display of a motion picture.
  • synonyms: showing, viewing
• Fabric of metal or plastic mesh.
• The act of concealing the existence of something by obstructing the view of it.
  • usage: "the cover concealed their guns from enemy aircraft"
  • synonyms: cover, covering, masking
• Testing objects or persons in order to identify those with particular characteristics.

verb

• Test or examine for the presence of disease or infection.
  • usage: "screen the blood for the HIV virus"
  • synonyms: screen, test
• Examine methodically.
  • usage: "screen the suitcases"
  • synonyms: screen
• Examine in order to test suitability.
  • usage: "screen these samples"; "screen the job applicants"
  • synonyms: screen, screen out, sieve, sort
• Project onto a screen for viewing.
  • usage: "screen a film"
  • synonyms: screen
• Prevent from entering.
  • usage: "block out the strong sunlight"
  • synonyms: screen, block out
• Separate with a riddle, as grain from chaff.
  • synonyms: riddle, screen
• Protect, hide, or conceal from danger or harm.
  • synonyms: shield, screen