What is meta search engine?

A meta search engine is actually a search engine that takes the data input and simultaneously passes it on to the other search engines present and then displays the results given by those third party search engines. Basically the meta search engine is dependent on the other search engines present in the world of internet for displaying the results required.

A meta search engine is a type of search engine which searches through other search engines. It basically gives you results you would get if you would go and manually searched all the search engine which this search engine uses.