grease gun grease extractor • grease-gun · · · Info · Definitions · Synonyms · Characters · · grease gun · · Text Common · · Latin · · Scripts 10 · · Length 2 · · Syllables Definitions · · · (noun) a hand-operated pump that resembles a revolver; forces grease into parts of a machine. Synonyms: grease-gun, gun. · · Noun Definition 1 Synonyms · · · grease-gun · · Synonym 1 gun · · Synonym 2 Characters · · space U+0020 a latin small letter a U+0061 e latin small letter e U+0065 g latin small letter g U+0067 n latin small letter n U+006E r latin small letter r U+0072 s latin small letter s U+0073 u latin small letter u U+0075