Ejector (noun)

A device used for expelling or forcing out something, especially a mechanism in a firearm that removes an empty cartridge case from the chamber.

Origin:

Mid 19th century: from latin eject- "thrown out", from the verb eicere.

Examples:

1. The ejector in the shotgun was designed to quickly and efficiently remove the spent shells after each shot.
2. The ejector on the aircraft was activated in the event of an emergency, jettisoning the passengers' escape pods.
3. The ejector seat in the fighter plane allowed the pilot to quickly abandon the aircraft in case of trouble.
4. The ejector system in the sewage treatment plant was responsible for removing the waste and sending it to the final discharge point.
5. The ejector in the furnace was used to clear ash and debris from the burn chamber, helping to maintain efficient and safe operation.