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viewer

/ˈvjuːə/ noun

noun Definition from Wiktionary (CC BY-SA). Pronunciation from Wiktionary, via Kaikki.org. More about viewer at Wordnik → Where our words come from →

  1. Someone who views a spectacle; an onlooker or spectator.
  2. Someone who watches television.
  3. Any optical device used to view photographic slides.

Origin

From Middle English vewer; equivalent to view + -er.

From Wiktionary, via Kaikki.org (CC BY-SA)