trafficator

plural trafficators

1. NigeriaautomotiveA blinking light on a motor vehicle that indicates the direction in which it is about to turn.

   There were vehicles following me, of course, but was any of them trailing me? […] Without any warning, and without signalling with the trafficator, I took a sudden right turn, hoping to shake off my trailer.

   2014, Chris Ekpekurede, Laughing Over Serious Matters: Stories to Make You Laugh and Reflect

   Synonyms: blinker, directional, directional signal, direction indicator, indicator, turn indicator, turn signal

2. historicalA semaphore device with a steady light that served the same purpose on early vehicles.