WordReference Random House Learner's Dictionary of American English © 2026
ˈnail ˌfile, n. [countable]
WordReference Random House Unabridged Dictionary of American English © 2026- a small, thin bar of metal or sometimes plastic with a rough surface, used for shaping the fingernails.
nail′ file′,
- a small file of metal or cardboard, for trimming, smoothing, or shaping the fingernails and sometimes having a point for removing dirt from under them.
- 1870–75, American.
'nail file' also found in these entries (note: many are not synonyms or translations):