sander

Short definition from Wiktionary

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, icy, slippery 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.

Proper noun

1. 1
   A diminutive of the male given name Alexander, from Ancient Greek.
2. 2
   A surname transferred from the given name.
3. 3
   A village in Norway.