Definition of screenage in US English:

screenage

noun

rare
  • 1Protection from view provided by trees, hedges, etc. Also as a count noun: something that provides protection from view.

  • 2Material used as a screen against ionizing radiation, especially during radiotherapy; the efficiency of this, as determined by its nature and thickness.

Origin

Mid 19th century; earliest use found in John Galt (1779–1839), novelist. From screen + -age.

Pronunciation

screenage

/ˈskriːnɪdʒ/