urchin = U = Usenet

URL /U-R-L/ or /erl/ n.

Uniform Resource Locator, an address widget that identifies a document or resource on the World Wide Web. This entry is here primarily to record the fact that the term is commonly pronounced both /erl/, and /U-R-L/ (the latter predominates in more formal contexts).

--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.