gun barrel gun assembler • gun-barrel lathe · · · Info · Definitions · Synonyms · Characters · · gun barrel · · Text Common · · Latin · · Scripts 10 · · Length Definitions · · · (noun) a tube through which a bullet travels when a gun is fired. Synonyms: barrel. · · Noun Definition 1 Synonyms · · · artillery · · Synonym 1 heavy weapon · · Synonym 2 gun · · Synonym 3 ordnance · · Synonym 4 gunman · · Synonym 5 gunslinger · · Synonym 6 hired gun · · Synonym 7 gun for hire · · Synonym 8 triggerman · · Synonym 9 hit man · · Synonym 10 hitman · · Synonym 11 torpedo · · Synonym 12 shooter · · Synonym 13 grease-gun · · Synonym 14 accelerator · · Synonym 15 accelerator pedal · · Synonym 16 gas pedal · · Synonym 17 gas · · Synonym 18 throttle · · Synonym 19 Characters · · space U+0020 a latin small letter a U+0061 b latin small letter b U+0062 e latin small letter e U+0065 g latin small letter g U+0067 l latin small letter l U+006C n latin small letter n U+006E r latin small letter r U+0072 u latin small letter u U+0075