pump-action

[ puhmp-ak-shuh n ]
/ ˈpʌmpˌæk ʃən /

adjective

(of a shotgun or rifle) having an action that extracts the empty case, loads, and cocks the piece by means of a hand-operated lever that slides backward and forward; slide-action.

Origin of pump-action

An Americanism dating back to 1910–15

Example sentences from the Web for pump-action

British Dictionary definitions for pump-action

pump-action

adjective

(of a shotgun or other repeating firearm) operated by a slide-action mechanism feeding ammunition from a magazine under the barrel into the breech
spraying or dispensing liquid by means of a pump rather than using a propellant