wiper: Meaning and Definition of

wip•er

1. a person or thing that wipes.
2. the thing with which something is wiped, as a towel, handkerchief, or squeegee.
3. See
4. the portion of a selector or other similar device that makes contact with the terminals of a bank.
5. a projection or partial cam, as on a rotating shaft, moving to lift or dislodge another part, esp. so as to let it drop when released.