pump action

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.

• 🇵🇹Tipo de mecanismo de arma de fogo em que o guarda-mato é movido manualmente para trás e para frente para ejetar o estojo deflagrado e carregar um novo cartucho, comum em espingardas. Também se refere à arma que usa esse sistema.

1. Firearm mechanism C1 formal

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

   • 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.

   🇵🇹Ação por bombeamento

2. General mechanical action B2 informal

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

   • 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.

   🇵🇹Ação de bombeamento