round file

1. 1.

   a file with a circular cross section; used to file the inside of holes

   Broaderfile

Questions about round file

What does round file mean?

round file means "a file with a circular cross section; used to file the inside of holes".

Is round file a common word?

round file is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.