1. Plural of bicorn; a hat with two points or horns, typically worn by military or formal officials.
Usage: Often capitalized when referring to a specific historical hat style, especially the bicorne worn during the Napoleonic era.
2. In mathematics and geometry, curves or shapes with two horns or pointed projections.
Usage: technical; used in advanced mathematics and curve theory

Examples

• The general wore a bicorns hat as part of his formal dress uniform.
• Napoleon was famously depicted wearing bicorns throughout his military campaigns.
• The museum displayed several bicorns from the 18th century.
• In geometry, bicorns are studied as examples of algebraic curves.
• The bicorns shape appears in certain mathematical models and diagrams.