Noun
Web spider (plural Web spiders)
(Internet) A software program that gathers specific information in an automated and orderly way from the World Wide Web.
2008, Richard Lippmann, Engin Kirda, Ari Trachtenberg, Recent Advances in Intrusion Detection: 11th International Symposium, page 194:More precisely, the typical workflow of a vulnerability scanners consists of the following steps: – First, a web spider crawls the site to find valid injection points