holster
From Longman Dictionary of Contemporary EnglishRelated topics: Weaponsholsterhol‧ster /ˈhəʊlstə $ ˈhoʊlstər/ noun [countable] PMWa leather object for carrying a small gun, that is worn on a beltExamples from the Corpusholster• She wears a short black skirt and a holster on her belt.• During the confusion of this last day at sea, he came to our quarters and handed me the finished holster.• The leather ring on my left shoulder had the holster sewn on near the bottom.• I slipped the heavy derringer into the holster while the mate watched proudly.• There was a belt around his waist with holster attached.Origin holster (1600-1700) Dutch