scrubber

Short definition from Wiktionary

Noun

1. 1
   A person or appliance that cleans floors or similar by scrubbing.
2. 2
   A soft and flexible handheld polymer-fiber implement for scrubbing tasks.
3. 3
   A device that removes impurities from gases.
4. 4
   A machine for washing leather after the tanpit.
5. 5
   An animal (especially cattle) that has broken away from the herd and established itself in the bush.
6. 6
   Someone who lives in the bush; a wild person, someone only partly assimilated into society.
7. 7
   A prostitute or a slovenly woman.
8. 8
   A dirty or unhygienic person.
9. 9
   A horizontal bar allowing the user to set the playback position.