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Synonyms for Wiper (same or very similar meaning)

WordNet sense 1 (contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet):
contact arm, wiper arm

WordNet sense 2 (a mechanical device that cleans the windshield):
windshield wiper, windscreen wiper, wiper blade

From the ODE community, based on WordNetadd/edit