trafficator

[ traf-i-key-ter ]

noun

, British.

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

trafficator

/ ˈtræfɪˌkeɪtə /

noun

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

Word History and Origins

Origin of trafficator¹

traffic + (indic)ator