Triple Entente
noun
an informal understanding among Great Britain, France, and Russia based on a Franco-Russian military alliance (1894), an Anglo-French entente (1904), and an Anglo-Russian entente (1907). It was considered a counterbalance to the Triple Alliance but was terminated when the Bolsheviks came into control in Russia in 1917.
the member nations of this entente.
British Dictionary definitions for triple entente
Triple Entente
noun
the understanding between Britain, France, and Russia that developed between 1894 and 1907 and counterbalanced the Triple Alliance of 1882. The Entente became a formal alliance on the outbreak of World War I and was ended by the Russian Revolution in 1917