1. MetaCrawler, now know as, is a metasearch engine originally developed in 1994 by the University of Washington by Erik Selberg and Professor Oren Etzioni. It provided users with the option to search news, videos, images, , white pages, and yellow pages. MetaCrawler blended data from many of the top search engines including Yahoo!, Google, Bing,, and others.

2. An Internet spider is sometimes referred to as a metacrawler.

Also see: Internet terms, Search engine