Smyr·na (smûr?n?) See Izmir.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.Smyrna (?sm??n?) n (Placename) an ancient city on the W coast of Asia Minor: a major trading centre in the ancient world; a centre of early Christianity. Modern name: Izmir Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Smyr?na (?sm?r n?) n. 1. former name of Izmir. 2. Gulf of, former name of the Gulf of Izmir. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.