pump action

• Mécanisme d'arme à feu dans lequel la main coulisse la garde vers l'arrière puis vers l'avant pour éjecter la douille usagée et chambrer une nouvelle cartouche, typiquement utilisé sur les fusils de chasse ou à pompe.

A type of firearm mechanism where the forend is manually slid back and forth to eject a spent cartridge and load a new one, commonly used in shotguns.

1. Firearm mechanismC1formal

   A type of firearm action where the fore-end is manually slid back and forth to chamber a new round.

   pompe (action de pompe)

   • The hunter preferred a pump action shotgun for its reliability.
   • Pump action rifles are known for their simple design.
   • He loaded the pump action weapon quickly.

2. General mechanical actionB2informal

   Any mechanism that operates by a back-and-forth pumping motion.

   action à pompage

   • The pump action of the water gun was easy for the child to use.
   • This soap dispenser uses a pump action to release liquid.
   • The pump action on the spray bottle was broken.