windscreen wiper 
(North American windshield wiper)
noun
A power-operated device for keeping a windscreen clear of rain, typically with a rubber blade on an arm that moves in an arc.The only other unpleasant noise entering the cabin was the windscreen wiper motor....
- This woman had a friend hook up a power pack from an electric fence to the windshield wiper.
- There were no long objects inside the car, so in the end I took off one of the windscreen wiper blades, launched myself into the back of the car, grunting and swearing, poking the wiper around until I finally flipped up the lock.
- Counsellor of State
- counselor
- counselor-at-law
- count
- countable
- countable noun
- countably
- countback
- count-bishop
- countdom
- countdown
- countenance
- counter
- counter-
- counter-accusation
- counteract
- counteraction
- counteractive
- counteragent
- counterargument
- counter-attack
- counter-attacker
- counter-attraction
- counterbalance
- counterblast