Noun wiper has 3 senses
- wiper - a worker who wipes
--1 is a kind of worker
- wiper, wiper arm, contact arm - contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet
--2 is a kind of contact, tangency
--2 is a part of rheostat, variable resistor; selector, selector switch
- windshield wiper, windscreen wiper, wiper, wiper blade - a mechanical device that cleans the windshield
--3 is a kind of mechanical device
--3 is a part of motor vehicle, automotive vehicle
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