search engine

Definitions of search engine
1

n a computer program that retrieves documents or files or data from a database or from a computer network (especially from the internet)

Examples:
Google
a widely used search engine that uses text-matching techniques to find web pages that are important and relevant to a user's search
Yahoo
a widely used search engine for the web that finds information, news, images, products, finance
Ask Jeeves
a widely used search engine accepting plain English questions or phrases or terms
Type of:
computer program, computer programme, program, programme
(computer science) a sequence of instructions that a computer can interpret and execute

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