Dual Alliance

noun
  1. the alliance between France and Russia (1890), strengthened by a military convention (1892–93) and lasting until the Bolshevik Revolution in 1917.
  2. the alliance between Germany and Austria-Hungary against Russia 1879–1918.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for dual alliance

Dual Alliance

noun
  1. the alliance between France and Russia (1893–1917)
  2. the secret Austro-German alliance against Russia (1879) later expanded to the Triple Alliance
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