Definition of pepperbox in English:
 pepperbox
noun ˈpɛpəbɒksˈpɛpərˌbɑks
1A gun or piece of artillery with a revolving set of barrels.
 Example sentencesExamples
-  When the Pocket Model arrived on the scene, the closest tactically equivalent small handgun was the Allen pepperbox.
 
  Definition of pepperbox in US English:
 pepperbox
nounˈpepərˌbäksˈpɛpərˌbɑks
1A gun or piece of artillery with a revolving set of barrels.
 Example sentencesExamples
-  When the Pocket Model arrived on the scene, the closest tactically equivalent small handgun was the Allen pepperbox.
 
2archaic A pepper shaker.