As a Noun: 1. A large vehicle, such as a bus, truck, lorry, or tractor which has a large, almost horizontal, steering wheel. 2. A large motor vehicle that carries passengers from one place to another. English = bus. 3. A large vehicle that is used to transport goods by road. English = truck, lorry. 4. A person whose job is driving buses, trucks or lorries. English = bus driver, truck driver, lorry driver. As a Verb or Adjective: 1. To drive a large vehicle, such as a bus, truck, lorry, or tractor.