arrestor

/əˈrɛstər/
noun
  1. A device that stops or prevents something, especially a spark or flame from spreading.
    • The factory uses a dust arrestor to keep the air clean.
    • The mechanic installed a spark arrestor on the lawnmower's exhaust.
    • A flame arrestor is essential in fuel storage tanks to prevent explosions.
  2. A person who stops or seizes someone, such as a police officer making an arrest.
    • The arrestor read the suspect their rights before taking them to the station.
    • As a trained arrestor, she knew how to handle difficult situations calmly.
    • The citizen acted as an arrestor when he detained the thief until police arrived.
What does "arrestor" mean? | whatsthatwordmean | whatsthatwordmean