a schoolbook for instruction and practice in reading: a second-grade reader.
3.
a book of collected or assorted writings, esp. 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, esp. 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 card reader, 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: bef. 1000; ME reder(e), redar(e), OE rǣdere.See read1, -er1
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.
n. a piece of paper with writing on it; a note; a prescription; an IOU. (Underworld.) : I got a reader for some morphine.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition. Copyright 2007. Published by McGraw Hill.
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[ree-der] 
dər
