pump gun

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noun

a shotgun or rifle having a pump-action mechanism.

Origin of pump gun

First recorded in 1905–10
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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Historical Examples of pump gun


British Dictionary definitions for pump gun

pump gun

noun

a repeating gun operated by a slide-action mechanism feeding ammunition from a magazine under the barrel into the breech
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