A motorcycle, often called a motorbike, bike, cycle, or (if three-wheeled) trike,is a two- or three-wheeled mot or vehicle.
Motorcycle design varies greatly to suit a range of different purposes: long-distance travel, commuting, cruising, sport (including racing), and off-road riding. Motorcycling is riding a motorcycle and being involved in other related social activity such as joining a motorcycle club and attending motorcycle rallies.