1. a hat with two corners or points, typically worn by military or naval officers, especially in the 18th and 19th centuries
Usage: also spelled 'bicorn'; historical

1. having two corners or points
Usage: formal or technical

Examples

• Napoleon was famously depicted wearing a bicorne hat.
• The general's bicorne was adorned with a military insignia.
• Officers of the Royal Navy often wore bicorne hats as part of their dress uniform.
• The bicorne shape became iconic in 18th-century military fashion.
• She wore a bicorne hat to the historical reenactment.