1. members of a legion, especially soldiers in the ancient Roman army
Usage: historical
2. members of the American Legion or similar veterans’ organizations

Examples

• The Roman legionnaires marched across the empire’s vast territories.
• Ancient legionnaires were known for their discipline and military tactics.
• The veteran legionnaires gathered for their annual convention.
• Local legionnaires organized a parade to honor fallen soldiers.
• The museum displayed armor worn by Roman legionnaires.
• American Legion legionnaires volunteer in their communities.
• The legionnaires built roads and fortifications throughout the provinces.