1. a person who operates a guillotine or carries out executions by guillotine
Usage: historical; often used in reference to the French Revolution
2. a machine or tool that cuts or severs material using a guillotine mechanism
Usage: technical; used in printing, metalworking, and other industries

Examples

• The guillotiner prepared the apparatus for the execution.
• During the Reign of Terror, many guillotiners were kept busy in Paris.
• The paper guillotiner in the print shop could cut through stacks of sheets cleanly.
• Industrial guillotiners are essential equipment in modern manufacturing.
• The metal guillotiner sheared the steel plate with precision.