Definition of "reader"

reader

/ˈɹidɚ/

noun
plural readers
1. A person who reads.
2. A person who reads a publication.
3. A person who recites literary works, usually to an audience.
4. A proofreader.
5. A person employed by a publisher to read works submitted for publication and determine their merits.
  Quotations
  They were dog-eared by the hands of many a publisher's-reader and postman.
  1938, Xavier Herbert, chapter VIII, in Capricornia‎, page 123
6. A position attached to aristocracy, or to the wealthy, with the task of reading aloud, often in a foreign language.
  Quotations
  "I am commissioned by the Queen to offer you the place of Italian reader; and I assure you the offer was made with many kind expressions of interest. You will enter upon the duties, which are almost nominal, immediately."
  1834, L[etitia] E[lizabeth] L[andon], Francesca Carrara. […], volume II, London: Richard Bentley, […], (successor to Henry Colburn), pages 83–84
7. (chiefly Britain) A university lecturer ranking below a professor.
8. Any device that reads something.
9. A book of exercises to accompany a textbook.
10. An elementary textbook for those learning to read, especially for foreign languages.
11. A literary anthology.
12. A lay or minor cleric who reads lessons in a church service.
13. (advertising) A newspaper advertisement designed to look like a news article rather than a commercial solicitation.
14. (in the plural) Reading glasses.
15. (slang, gambling, in the plural) Marked playing cards used by cheaters.
  Quotations
  LUMINOUS READERS—Marked cards that can be read only through tinted glasses.
  1961, United States. Congress. Senate. Government Operations, Gambling and Organized Crime, Parts 1, 2, 3. 87-1, page 286
  Of the 150,000,000 decks of cards sold each year in America, Scarne estimates that 1 percent get marked at some point. Yet, as he discovered in his 1972 gambling survey, only 2 percent of average players have any idea of how to detect these "readers."
  1991, John Bowyer Bell, Barton Whaley, Cheating and Deception, page 185