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
before 1000;Middle Englishreder(e), redar(e), Old Englishrǣdere. See read1, -er1
Related forms
nonreader, noun
subreader, noun
underreader, 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.
(Judaism, mainly Brit) another word for cantor (sense 1)
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.