trafficator

[ traf-i-key-ter ]
/ ˈtræf ɪˌkeɪ tər /

noun British.

a directional signal on a vehicle for indicating which way it is going to turn.

Origin of trafficator

British Dictionary definitions for trafficator

trafficator
/ (ˈtræfɪˌkeɪtə) /

noun

(formerly) an illuminated arm on a motor vehicle that was raised to indicate a left or right turn Compare indicator (def. 5)