allies
n. C / Un. the group of countries that fought together against Germany and its partners during World War I and World War II. It can also mean any group of people or nations that help each other to reach a goal.
n. the group of nations, including Great Britain, the Soviet Union, and the United States, that opposed the Axis powers in World War II; or the nations that opposed the Central Powers in World War I. When used in a general sense, it refers to parties joined in an alliance for a mutual benefit.
The Allies worked together to win the war.
During the second half of the war, the Allies coordinated their military strategies to liberate occupied territories across Europe.
The diplomatic tension between the Western Allies and the Soviet Union began to surface even before the final victory was secured in 1945.
Usually plural and capitalized when referring to the specific historical military coalitions of the 20th century.