DictionaryfileSmoothing tool
noun / verb

file

A rough-surfaced tool used to smooth or shape material.

The carpenter files the rough edge until it feels smooth.

Etymology

Old English fēol already named the abrasive tool. The modern word preserves that tool name, distinct from the words for a row or a set of records.

More examples

  • He used a small file on the metal bracket.
  • She filed down the sharp corner.
  • Two worn files lay beside the vise.

Forms

file · files · filed · filing

filings noun — Small particles removed by filing.

Similar words

rasp
Usually a coarser tool for shaping wood or softer material.
abrade
The general action of wearing down a surface by friction.