n.
1.the alliance of nations that fought the Axis in World War II and which (with subsequent additions) signed the charter of the United Nations in 1945
2.in World War I the alliance of Great Britain and France and Russia and all the other nations that became allied with them in opposing the Central Powers
3.an alliance of nations joining together to fight a common enemy
Idiom of the Day
play it cool
to act calm and not concerned
I tried to play it cool when the policeman stopped me when I was driving my car.