Pronunciation: (wī'pur), [key]
1. a person or thing that wipes.
2. the thing with which something is wiped, as a towel, handkerchief, or squeegee.
3. See windshield wiper.
4. Elect.the portion of a selector or other similar device that makes contact with the terminals of a bank.
5. Also,wipe. Mach.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.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.