bike - a bicycle, boat - a small vehicle for travelling on water, ship - a large boat boat for travelling on water, especially across the sea, motorbike - a motorcycle , coach - a comfortable bus, used to take groups of people on journeys , helicopter - a type of aircraft without wings, plane - a vehicle designed for air travel, with two wings and one or more engines, train - a railway engine connected to carriages for carrying people, tram - an electric vehicle that transports people, usually in cities, and goes along metal tracks in the road, underground - a railway system in which electric trains travel through tunnels below ground, scooter - a child's vehicle with two or three small wheels,

prepare 3 unit 3 definitions

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