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wiper

[wahy-per] /ˈwaɪ pər/
noun
1.
a person or thing that wipes.
2.
the thing with which something is wiped, as a towel, handkerchief, or squeegee.
4.
Electricity. the portion of a selector or other similar device that makes contact with the terminals of a bank.
5.
Also, wipe. Machinery. a projection or partial cam, as on a rotating shaft, moving to lift or dislodge another part, especially so as to let it drop when released.
Origin of wiper
1545-1550
1545-50; wipe + -er1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for wiper

wiper

/ˈwaɪpə/
noun
1.
any piece of cloth, such as a handkerchief, towel, etc, used for wiping
2.
a cam rotated to ease a part and allow it to fall under its own weight, as used in stamping machines, etc
4.
(electrical engineering) a movable conducting arm, esp one in a switching or selecting device, that makes contact with a row or ring of contacts
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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10
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