horse pistol
/ˈhɔrsˌpɪstəl/
noun
- A large pistol carried by cavalry soldiers in the 17th–19th centuries, designed to be used from horseback.
- The reenactor fired a replica horse-pistol during the historical demonstration.
- The museum displayed a cavalry soldier's horse-pistol from the 1700s.
- He read about how horse-pistols were often carried in saddle holsters.