A woman uses a nail file.
nail file definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a small, flat file for smoothing and shaping the fingernails
nail file definition by American Heritage Dictionary
A small flat file used for shaping and smoothing the fingernails and toenails.