wiper

Short definition from Wiktionary

Noun

1. 1
   Someone who wipes.
2. 2
   Something, such as a towel, that is used for wiping.
3. 3
   Something, such as a windscreen wiper, that is designed for wiping.
4. 4
   A movable electric contact in some devices.
5. 5
   A program or process that erases data.
6. 6
   A junior role in the engine room of a ship, someone who wipes down machinery and generally keeps it clean.
7. 7
   An impertinent young man.
8. 8
   A hybrid fish variety artificially bred from eggs of striped bass (Morone saxatilis) fertilized with white bass (Morone chrysops) sperm, or the opposite combination.