A military unit of the French army founded in the 1830s to fight France's colonial wars. Composed, except for the higher ranks, of non-Frenchmen, the Legion was famed for its audacity and endurance. Its most famous campaigns were in French North Africa in the late 19th and early 20th centuries.
Definition of Foreign Legion in US English:
Foreign Legion
proper nounˈˌfôrən ˈlēj(ē)ən
A military unit of the French army founded in the 1830s to fight France's colonial wars. Composed, except for the higher ranks, of non-Frenchmen, the Legion was famed for its audacity and endurance. Its most famous campaigns were in French North Africa in the late 19th and early 20th centuries.