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grease gun

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noun
  1. a hand-operated pump for greasing bearings under pressure.
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Origin of grease gun

First recorded in 1915–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for grease gun

grease gun

noun
  1. a device for forcing grease through nipples into bearings, usually consisting of a cylinder with a plunger and nozzle fitted to it
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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