The seaport of Derry.
Derry definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Londonderry (the district & seaport)
Derry definition by American Heritage Dictionary
A borough of northwest Northern Ireland northwest of Belfast. Built on the site of an abbey founded by Saint Columba in 546, it is a port and manufacturing center. Population: 83,600.