[vahl-dahy; Russian vuhl-dahy]
a region of hills and plateaus in the W Russian Federation in Europe, at the source of the Volga River: highest point, 1140 feet (347 meters).
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
a region of hills and plateaus in NW Russia, between Moscow and St Petersburg. Greatest height: 346 m (1135 ft)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012