A wagon (in British English, sometimes waggon) or dray (low, sideless) is a heavy four-wheeled vehicle. Wagons were formerly pulled by animals such as horses, mules or oxen. Today farm wagons are pulled by tractors and trucks. Wagons are used for transporting people or goods. Wagons are distinguished from carts (which is small and has two wheels), or a semi-trailor (which is large and has two wheels), and from lighter four-wheeled vehicles such as carriages. A wagon could be pulled by one anima… (More on Wagon)