vehicular
"Vehicular" is an adjective with essentially one core meaning, but it appears in a few important and common phrases worth knowing — especially in legal, traffic, and everyday contexts.
When something involves or is connected to vehicles — cars, trucks, buses, motorcycles — you can describe it as 'vehicular'. Think of it as the adjective form of the word 'vehicle'. Instead of saying 'traffic made by vehicles', you can simply say 'vehicular traffic'.
everyday language, law, urban planning · Modern, widely used
In legal language, 'vehicular' is often used to describe a crime or accident that happened because of a vehicle. For example, 'vehicular homicide' means causing someone's death by driving dangerously or carelessly. You will hear this phrase a lot in news reports and courtroom contexts.
law, journalism · Modern, widely used