1. a series of sharp, tooth-like projections along an edge

Examples

• The serrations on the knife blade made it perfect for cutting bread.
• Shark teeth have distinctive serrations that help them tear flesh.
• The leaf’s serrations were clearly visible under the microscope.
• The saw’s serrations were worn down from years of use.
• She ran her finger carefully along the serrations of the metal edge.
• The serrations on the coin’s rim prevented counterfeiting.