search engine

noun
a computer program that searches documents, especially on the World Wide Web, for a specified word or words and provides a list of documents in which they are found.

Origin:
1990–95

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
search engine
 
n
computing a service provided on the internet enabling users to search for items of interest

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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American Heritage
Cultural Dictionary

search engine definition


Web sites or software that search the Internet for documents that contain a key word, phrase, or subject that is specified by the user to the search engine. Each engine has its own method of searching for information.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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FOLDOC
Computing Dictionary

search engine definition

World-Wide Web, tool, information science
A remotely accessible program that lets you do keyword searches for information on the Internet. There are several types of search engine; the search may cover titles of documents, URLs, headers, or the full text.
A list of search engines (http://cuiwww.unige.ch/meta-index.html#MISC), Centre Universitaire d'Informatique at the University of Geneva
(1995-11-28)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
First of all, a library catalog is structured differently from a search engine.
Build a better search engine, rather than restrict the availability of the
  information.
But the world's leading search engine and its related applications are turning
  out to be powerful research tools, too.
Feel free to cozy up to your laptop and visit a search engine.
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