Noun mauser has 2 senses

• mauser(n = noun.person) p. p. von mauser, peter paul mauser, von mauser - German arms manufacturer and inventor of a repeating rifle and pistol (1838-1914);
is a kind of arms manufacturer, artificer, discoverer, inventor

• mauser(n = noun.artifact) - trademark for a repeating rifle or pistol;
is a kind of repeater, repeating firearm