Tver (tv?r) A city of west-central Russia on the Volga River northwest of Moscow. Settled around a fort established in the 1100s, it was a powerful principality in the 1200s and 1300s and is today an industrial center and a major port. Tver was named Kalinin from 1931 to 1990 in honor of M.I. Kalinin.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.Tver (Russian tvjerj) n (Placename) a city in central Russia, at the confluence of the Volga and Tversta Rivers: chief port of the upper Volga, linked by canal with Moscow. Pop: 402 000 (2005 est). Former name (1932?91): Kalinin Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014Tver (tv??r) n. a city in the W Russian Federation in Europe, on the Volga. 447,000. Formerly (1934?90), Kalinin . Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.