Oxford Dictionary English the Semantic Web nounnoun BrE BrE//ðə səˌmæntɪk ˈweb// ; NAmE NAmE//ðə səˌmæntɪk ˈweb// [singular] Add to my wordlistjump to other resultsa development of the World Wide Web in which the data in web pages is structured so that it can be read directly by computers The Semantic Web will revolutionize how people use the web. This paper explains the main Semantic Web technologies.Check pronunciation: the Semantic Web oxfordlearnersdictionaries.com