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A city of west-central Finland on the Gulf of Bothnia at the mouth of the Oulu River, about 105 km (65 mi) long. Oulu grew around a castle built in 1590 and was chartered in 1610.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Placename) an industrial city and port in W Finland, on the Gulf of Bothnia: university (1959). Pop: 125 928 (2003 est). Swedish name: Uleåborg
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Ou•lu(ˈoʊ lu, ˈaʊ-)
a city in W Finland, on the Gulf of Bothnia. 98,582.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.