reader

[ree-der]
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noun
  1. a person who reads.
  2. a schoolbook for instruction and practice in reading. a second-grade reader.
  3. a book of collected or assorted writings, especially when related in theme, authorship, or instructive purpose; anthology: a Hemingway reader; a sci-fi reader.
  4. a person employed to read and evaluate manuscripts offered for publication.
  5. a proofreader.
  6. a person who reads or recites before an audience; elocutionist.
  7. a person authorized to read the lessons, Bible, etc., in a church service.
  8. a lecturer or instructor, especially in some British universities: to be appointed reader in English history.
  9. an assistant to a professor, who grades examinations, papers, etc.
  10. Computers. a device that reads data, programs, or control information from an external storage medium for transmission to main storage.Compare optical character reader.
  11. a machine or device that projects or enlarges a microform image on a screen or other surface for reading.
  12. a playing card marked on its back so that the suit or denomination of the card can be identified.
  13. Library Science. the user of a library; library patron.

Origin of reader

before 1000; Middle English reder(e), redar(e), Old English rǣdere. See read1, -er1
Related formsnon·read·er, nounsub·read·er, nounun·der·read·er, noun

optical scanning

noun
  1. the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.

Origin of optical scanning

First recorded in 1955–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018


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British Dictionary definitions for reader

reader

noun
  1. a person who reads
  2. a person who is fond of reading
    1. mainly Britishat a university, a member of staff having a position between that of a senior lecturer and a professor
    2. USa teaching assistant in a faculty who grades papers, examinations, etc, on behalf of a professor
    1. a book that is part of a planned series for those learning to read
    2. a standard textbook, esp for foreign-language learning
  3. a person who reads aloud in public
  4. a person who reads and assesses the merit of manuscripts submitted to a publisher
  5. a person employed to read proofs and indicate errors by comparison with the original copy; proofreader
  6. short for lay reader
  7. Judaism, mainly British another word for cantor (def. 1)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for reader
n.

Old English rædere "person who reads aloud to others; lector; scholar; diviner, interpreter," agent noun from rædan (see read (v.)). Cf. Dutch rader "adviser," Old High German ratari "counselor." Old English fem. form was rædistre.

Online Etymology Dictionary, © 2010 Douglas Harper