- Historical a person who made or repaired armor and arms
- a maker of firearms
- Mil. an enlisted person in charge of the maintenance and repair of the small arms of a unit, warship, etc.
- A manufacturer of weapons, especially firearms.
- An enlisted person in charge of maintenance and repair of the small arms of a military unit.
- One that makes or repairs armor.
From Middle English armurer, from Old French armurier.