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pump-action

[puhmp-ak-shuh n] /ˈpʌmpˌæk ʃən/
adjective
1.
(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
1910-1915
1910-15, Americanism
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for pump action

pump-action

adjective
1.
(of a shotgun or other repeating firearm) operated by a slide-action mechanism feeding ammunition from a magazine under the barrel into the breech
2.
spraying or dispensing liquid by means of a pump rather than using a propellant
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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10
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