wiper

American  

[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.

3. windshield wiper.

4. Electricity. the portion of a selector or other similar device that makes contact with the terminals of a bank.

5. Machinery. Also 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.

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wiper British  

/ 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

3. See windscreen wiper

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

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Etymology

Origin of wiper

First recorded in 1545–50; wipe + -er ¹

Example Sentences

“There’s so much dust in the process of getting grain into a bin that it would have to have a little windshield wiper on the sensors to constantly clear it,” Gardiner said.

From The Wall Street Journal • Apr. 7, 2026

In the company’s recall announcement, Tesla said the front windshield wiper may stop functioning due to electrical over-stress.

From Los Angeles Times • Oct. 8, 2024

For instance, the Seagull has only one windshield wiper, eliminating one motor and one arm, saving on weight, cost and labor to install.

From Seattle Times • May 12, 2024

She was found when the van driver made a stop to top-up windscreen wiper fluid on Thursday, with Jasmine curled up next to the battery peering up at him.

From BBC • Jan. 13, 2024

The Falcon’s got a nice big ticket slapped on the windscreen, under the wiper.

From "I Am the Messenger" by Markus Zusak