grease-gun grease wool • grease-heels · · · Info · Definitions · Synonyms · Characters · · grease-gun · · Text Common · · Latin · · Scripts 10 · · Length 3 · · Syllables Definitions · · · (noun) a hand-operated pump that resembles a revolver; forces grease into parts of a machine. Synonyms: gun. · · Noun Definition 1 Synonyms · · · gun · · Synonym 1 Characters · · - hyphen-minus U+002D 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