A barge, used mainly on the canal network
In "The Adventures of Huckleberry Finn," a scow is a type of flat-bottomed boat used for carrying goods on rivers. It is typically rectangular in shape and has a flat deck.
It is a long flat bottomed boat for carrying freight on canals or rivers, either under its own power or towed
Sunfish
A flat boat is a flat-bottomed boat used to float goods and passengers downriver.
ferryboat
They can be a barge or a narrow boat.
A bateau is a small, flat-bottomed boat.
A batteau is a small, flat-bottomed boat.
A gondola.
Flatboat
That is a barge.
A scow is a large flat boat used for transporting freight. It is a noun.