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Trafficator
Trafficators are semaphore signals which, when operated, protrude from the bodywork of a motor vehicle to indicate its intention to turn in the direction indicated by the pointing signal. Trafficators are often located at the door pillar.
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Trafficator (noun)
A blinking light on a motor vehicle that indicates the direction in which it is about to turn.
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Trafficator (noun)
A semaphore device with a steady light that served the same purpose on early vehicles.
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Indicator (noun)
A pointer or index that indicates something.
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Indicator (noun)
A meter or gauge.
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Indicator (noun)
The needle or dial on such a meter.
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Indicator (noun)
Any of many substances, such as litmus, used to indicate the concentration of a substance, or the degree of a reaction.
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Indicator (noun)
A plant or animal whose presence is indicative of some specific environment.
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Indicator (noun)
A measure, such as unemployment rate, which can be used to predict economic trends.
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Indicator (noun)
A trafficator (dated definition); each of the flashing lights on each side of a vehicle which indicate a turn is being made to left or right, or a lane change etc.
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Indicator (noun)
A bird, the honeyguide.
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Trafficator (noun)
an obsolete kind of signalling device on the side of a motor vehicle, having the form of a small illuminated pointer which could be extended to indicate a change of direction.
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Indicator (noun)
a thing that indicates the state or level of something
“car ownership is frequently used as an indicator of affluence”
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Indicator (noun)
an animal or plant species that can be used to infer conditions in a particular habitat
“the raccoon is a poor choice as an indicator of riparian habitat”
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Indicator (noun)
a gauge or meter of a specified kind
“an altitude indicator”
“a speed indicator”
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Indicator (noun)
a flashing light or (formerly) other device on a vehicle to show that it is about to change lanes or turn.
“an indicator light”
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Indicator (noun)
a board or screen in a railway station, airport, etc. giving current information
“the indicator board”
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Indicator (noun)
a compound that changes colour at a specific pH value or in the presence of a particular substance, and can be used to monitor acidity, alkalinity, or the progress of a reaction
“the remaining alkali is titrated against standard acid using phenolphthalein as indicator”