blinker
noun /ˈblɪŋkə(r)/
  /ˈblɪŋkər/
 - [countable] (informal) (British English also indicator, North American English also turn signal)a light on a vehicle that flashes to show that the vehicle is going to turn left or rightTopics Transport by car or lorryc2
 - blinkers(North American English also blinders)[plural] pieces of leather that are placed at the side of a horse’s eyes to stop it from looking to the side
- (figurative) We need to have a fresh look at the plan, without blinkers (= we need to consider every aspect of it).