1. soldiers, especially Union soldiers during the American Civil War, named for their blue uniforms
Usage: historical
2. police officers
Usage: informal

Examples

• The bluecoats marched through the town during the Civil War.
• Many bluecoats fought bravely at the Battle of Gettysburg.
• The museum displayed uniforms worn by Union bluecoats.
• Local bluecoats patrolled the neighborhood on foot.
• The protesters were surrounded by bluecoats maintaining order.
• Historical reenactors dressed as bluecoats demonstrated military drills.