sander

/หˆsรฆndษš/
noun
  1. 1

    A person employed to sand wood.

  2. 2

    A machine to mechanize the process of sanding.

  3. 3

    A device which spreads sand on the rails in wet, snowy or icy conditions to improve traction.

  4. 4

    A small device resembling a salt shaker but containing sand that was shaken over a document to remove excess ink.

Source: https://en.wiktionary.org/wiki/sander