1. a person who arrests someone, especially a police officer
2. a device that stops or slows down something
Usage: technical

Examples

• The arrester read the suspect his rights.
• Police identified the arrester as Officer Johnson.
• The lightning arrester protected the building from electrical damage.
• A flame arrester prevents fire from spreading through the pipeline.
• The aircraft’s arrester hook caught the cable on the carrier deck.
• The surge arrester diverted excess voltage safely to ground.