Stub entry: single definition derived from the EU Digital Services Act; sector-specific readings not yet documented — contributions welcome.
an intermediary service that allows users to input queries in order to perform searches of, in principle, all websites, or all websites in a particular language, on the basis of a query on any subject in the form of a keyword, voice request, phrase or other input, and returns results in any format in which information related to the requested content can be found
Regulation (EU) 2022/2065 (Digital Services Act), Art. 3(j)