The Chinese word for windscreen wiper is
雨刷

yǔ shuā

Chinese Definition

Components
雨
1. rain
2. (literary) to rain
3. (literary, of rain, snow, tears, etc.) to fall (like rain)
4. (literary) to moisten
刷
1. brush (tool)
2. to brush; to scrub; to clean with a brush
3. to paint with a brush
4. (colloquial) to eliminate
5. (chiefly Mainland neologism colloquial) to browse through (updates on social media etc.); to flip through
刷手機 - to check one's phone (for updates on social media etc.)
這部電視劇太好看了！我已經開始四刷了！ - This television drama is so good! I have already begun to watch through it for the fourth time!
6. (colloquial) to write; to finish (a massive quantity of works)
7. (video games, transitive) to grind
刷錢 - to grind for in-game money
8. (video games) to spawn
刷車器 - car spawner
9. (dialectal) to pick; to choose