[taxcontrol]

And notice it was not called the Arms Board. Further the US in 1812 established in the War Department it's own.

The current definition is: ord·nance /ˈɔrdnÉ™ns/ –noun
1. cannon or artillery.
2. military weapons with their equipment, ammunition, etc.
3. the branch of an army that procures, stores, and issues, weapons, munitions, and combat vehicles and maintains arsenals for their development and testing.


As opposed to arms: –noun
1. Usually, arms. weapons, esp. firearms.
2. arms, Heraldry. the escutcheon, with its divisions, charges, and tinctures, and the other components forming an achievement that symbolizes and is reserved for a person, family, or corporate body; armorial bearings; coat of arms.


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The basic lexicon being that ordnance covers cannons (and can include firearms), while arms only includes firearms and is a subset of ordnance.

[spunkets]

"arms only includes firearms and is a subset of ordnance."

No.