1. military weapons, ammunition, and equipment
Usage: military
2. artillery or cannon
Usage: military; historical

Examples

• The army depot stored tons of ordnance for the upcoming mission.
• Unexploded ordnance from the war still poses a danger to civilians.
• The museum displayed various pieces of Civil War ordnance.
• Military engineers carefully transported the ordnance to the front lines.
• The ordnance survey mapped the locations of all weapons caches.
• Heavy ordnance was positioned along the fortress walls.
• The disposal team safely detonated the old ordnance.