Grease gun

noun, slang

Definitions

Noun
  1. 1
    A levered or plungered device for forcing grease into machinery.
  2. 2
    a hand-operated pump that resembles a pistol; forces grease into parts of a machine wordnet
  3. 3
    A submachine gun, particularly the .45 calibre M3 used by the US in World War II. colloquial

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