1. a person or thing that jags or creates jagged edges
Usage: technical
2. a sharp projection or barb
Usage: informal

Examples

• The metal jagger left rough edges on the steel plate.
• He used a jagger to cut decorative edges on the pastry.
• The wire fence had several jaggers that could tear clothing.
• She carefully avoided the jaggers on the broken glass.
• The tool’s jagger made precise notches in the leather.