Wagon n. : A wheeled carriage; a vehicle on four wheels, and usually drawn by horses; especially, one used for carrying freight or merchandise.

Wagon n. : A freight car on a railway.

Wagon n. : A chariot

Wagon n. : The Dipper, or Charles's Wain.

Wagon v. t. : To transport in a wagon or wagons; as, goods are wagoned from city to city.

Wagon v. i. : To wagon goods as a business; as, the man wagons between Philadelphia and its suburbs.

Example:
Whats the difference between biuck Wagons and the chevy Caprice Wagon.?

Taxonomy
Wagon, farm wagons, Carriage, free encyclopedia, British English, Vehicle, two wheels, BMW, British Military, Araba, Buckboard, Dray Skky, mules, four-wheeled vehicle, trucks, Baby transport, search, songwriter.

Defination from the web:
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 ... A wagon could be pulled by one animal or by several, often in pairs. ...