WordReference Random House Unabridged Dictionary of American English © 2026
for′eign le′gion,
- Militarya military unit consisting of foreign volunteers in the service of a state.
- Military(caps.) a specialized military unit of the French army, consisting of volunteers of all nationalities assigned to military operations and duties outside France.
- 1880–85, American.
'foreign legion' also found in these entries (note: many are not synonyms or translations):