url

(n) the address of a web page on the world wide web uniform resource locator, universal resource locator,

uniform resource locator universal resource locator

Urd urn

U.K. UK UN up Ur U.S. US ut UV ux.

Uca UDA Ufa UFO UHF uke Ull ult Uma ump Unq Urd urn USA U.S.A. use USN Uta UTC Ute UTN Utu Uub Uuh Uup Uuq Uut Uzi