What is the meaning of Wiper?

Someone who wipes.

Something, such as a towel, that is used for wiping.

Something, such as a windscreen wiper, that is designed for wiping.

A movable electric contact in some devices.

A junior role in the engine room of a ship, someone who wipes down machinery and generally keeps it clean.

An impertinent young man.

A hybrid fish variety artificially bred from eggs of striped bass (Morone saxatilis) fertilized with white bass (Morone chrysops) sperm, or the opposite combination.

Source: wiktionary.org