Definition from Wiktionary, the free dictionary
- A garden enclosed by walls for purposes of shelter or decoration.
- (Internet, media) A closed set of information services provided to members only.
- (Internet) A set of webpages or other resources that are richly interlinked and share a common focus, but have little or no linkage to or from the larger network.
Internet: closed set of services
Internet: insular set of webpages