(also ‘armorer’ – American English; plural: ‘armourers‘)
a person who makes and repairs weapons of war;
a person in charge of weapons and other devices of war, usually in a military unit or police department,
Film producers that make war or police films hire armourers to design suitable weapons and armoury settings for their films.
Australian Air Force has a special unit called the Chemical Warfare Armourers who handle chemical weapons imported into Australia.