Flatboat (noun)

A large, flat-bottomed boat used for transporting goods, especially in shallow or slow-moving water.

Origin:

Late 18th century: from flat + boat.

Examples:

1. The flatboat was loaded with goods and floated down the Mississippi River.
2. The flatboat was a common sight on the waterways of early America.
3. The flatboat was built with a high sides to keep cargo from falling off.
4. The flatboat was propelled by poles or oars and was difficult to steer.
5. The flatboat was an important means of transportation in the early 19th century.