Also called a glave, couteau de breche, and fauchard/fouchard (a glaive modified with added spurs on the dull side of the blade).
The glaive was a medieval European polearm with a long knife-like blade. The blade generally curved backward and was
sharpened on the convex side; it was primarily a slashing and chopping weapon. Glaives were often used to protect archers,
crossbowmen, and gunners while they reloaded. Outside of combat they were a popular processional weapon and therefore many
had ornately carved blades.