Definition of pump-action in English:

pump-action

Syllabification: pump-ac·tion

adjective

[attributive]
  • 1Denoting a repeating firearm, typically a shotgun, in which a new round is brought from the magazine into the breech by a slide action in line with the barrel.
    More example sentences
    • The firearm used was a pump-action shotgun, a weapon banned in the UK for more than a decade.
    • A car pulled up alongside and the gunman fired three rounds from a pump-action shotgun.
    • They're heavily armed, pump-action shot guns, handguns and cuffs.
  • 2Denoting a spray dispenser for a liquid such as deodorant or cooking oil that is worked by finger action rather than by internal pressure (as in an aerosol).
    More example sentences
    • To a 1-quart pump-action spray bottle, add 1 teaspoon each mild dishwashing liquid and cooking oil, then enough water to make 1 quart; shake to mix.
    • A subway station in a suburb of Washington DC was closed after the armed man released the spray from a pump-action bottle as police arrested him.
    • This was a kind of pump-action bleach spray that was supposed to give your hair that much sought after sun-kissed look.

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