O·lo·mouc (??l?-m?ts?) A city of the northeast Czech Republic on the Morava River northeast of Brno. Possibly founded as a Roman fortress, it was ceded to Hungary in 1478 and was Moravia’s capital until about 1640.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.Olomouc (Czech ??l?m?uts) n (Placename) a city in the Czech Republic, in North Moravia on the Morava River: capital of Moravia until 1640; university (1576). Pop: 102 000 (2005 est). German name: Olmütz Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014O?lo?mouc (?? l? mo?ts) n. a city in central Moravia, in the E Czech Republic. 225,000. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.