Yal·ta (yôl?t?) A city of southeast Ukraine in southern Crimea on the Black Sea. A popular resort, it was the site of an Allied conference (attended by Franklin D. Roosevelt, Winston Churchill, and Joseph Stalin) in February 1945.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.Yalta (Russian ?jalt?) n (Placename) a port and resort in the Crimea on the Black Sea: scene of a conference (1945) between Churchill, Roosevelt, and Stalin, who met to plan the final defeat and occupation of Nazi Germany. Pop: 80 552 (2005 est)Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Yal?ta (?y?l t?, ?y?l-) n. a seaport in the Crimea, in S Ukraine, on the Black Sea: site of wartime conference of Roosevelt, Churchill, and Stalin 1945. 83,000. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.