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 gondola.
A batteau is a small, flat-bottomed boat.
Flatboat
barge
A sampan is a relatively flat-bottomed Chinese wooden boat.
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.
Pirogue boats are a small, flat-bottomed boat.
Any sort of goods. The flat bottom allows the boat to navigate in shallow water.