pump action

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Noun pump action has 1 sense

pump action, slide action - action mechanism in a modern rifle or shotgun; a back and forward motion of a sliding lever ejects the empty shell case and cocks the firearm and loads a new round
--₁ is a kind of action, action mechanism
--₁ is a part of rifle; shotgun, scattergun

pummels pummled pummmeled pump-and-dump scheme pump-prime pump-type pliers pump-up pump pump action pump house pump on pump out pump priming pump room pump through pump well pumped-up

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