1. a series of sharp, tooth-like projections along an edge
2. the condition of being serrated or having a jagged edge

Examples

• The serration on the knife blade made it perfect for cutting bread.
• The leaf’s serration helped botanists identify the plant species.
• The saw’s fine serration allowed for precise woodworking cuts.
• She noticed the serration along the mountain ridge against the sky.
• The serration of the coin’s edge prevented counterfeiting.
• The shark’s tooth showed distinctive serration patterns.