deep web

or deep Web, Deep Web


noun

the portion of the Internet that is hidden from conventional search engines, as by encryption; the aggregate of unindexed websites: private databases and other unlinked content on the deep web.
Also called invisible web, Invisible Web.

Origin of deep web

First recorded in 2000–05

British Dictionary definitions for deep web

deep Web

noun

computing the part of the World Wide Web not accessible through conventional search engines