English edit

Noun edit

proof charge (plural proof charges)

  1. (firearms) A charge of powder and ball, greater than the service charge, fired in an arm, as a gun or cannon, to test its strength.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for proof charge”, in Webster’s Revised Unabridged Dictionary, Springfield, Mass.: G. & C. Merriam, 1913, →OCLC.)