Oxford Dictionary English nail file noun noun BrE BrE//ˈneɪl faɪl// ; NAmE NAmE//ˈneɪl faɪl// Add to my wordlistjump to other results enlarge image a small metal tool with a rough surface for shaping your nails see also emery boardSee nail file in the Oxford Advanced American DictionaryCheck pronunciation: nail file oxfordlearnersdictionaries.com