ordnance

 
Pronunciation: /ˈɔːdnəns/

noun

[mass noun]
  • 1mounted guns; artillery: the gun was a brand new piece of ordnance
  • US munitions: unexploded ordnance
  • 2a branch of government service dealing especially with military stores and materials: [as modifier]: the ordnance corps

Origin:

late Middle English: variant of ordinance