Flatboat definition, a large, flat-bottomed boat for use in shallow water, especially on rivers. see more.. Rigging recommendations for shallow draft ‘‘flats” boats definition of shallow draft ‘‘flats” boat any boat designed and used for shallow water operation, with the outboard running in an elevated operating mode.. Hyponyms (each of the following is a kind of "flatboat"): dredger (a barge (or a vessel resembling a barge) that is used for dredging) houseboat (a barge that is designed and equipped for use as a dwelling) pontoon ((nautical) a floating structure (as a flat-bottomed boat) that serves as a dock or to support a bridge).
Freebase (0.00 / 0 votes) rate this definition:. flatboat. a flatboat is a rectangular flat-bottomed boat with square ends used to transport freight and passengers on inland waterways. the flatboat could be any size, but essentially it is large, sturdy tub with a hull that displaces water and so floats in the water.. Search flat bottomed boat and thousands of other words in english cobuild dictionary from reverso. you can complete the definition of flat bottomed boat given by the english cobuild dictionary with other english dictionaries : wikipedia, lexilogos, oxford, cambridge, chambers harrap, wordreference, collins lexibase dictionaries, merriam webster. €