An urn is a vase, ordinarily covered, that usually has a narrowed neck above a footed pedestal.

In computing, a Uniform Resource Name (URN) is the historical name for a Uniform Resource Identifier (URI) that uses the  scheme. A URI is a string of characters used to identify a name of a web resource. Such identification enables interaction with representations of the web resource over a network, typically the World Wide Web, using specific protocols.