Oxford Dictionary English fanny pack noun noun BrE BrE//ˈfæni pæk// ; NAmE NAmE//ˈfæni pæk// (North American English) (British English bumbag) (informal) Add to my wordlistjump to other results enlarge image a small bag attached to a belt and worn around the waist, to keep money, etc. inSee fanny pack in the Oxford Advanced American DictionaryCheck pronunciation: fanny pack oxfordlearnersdictionaries.com