Synonyms for Flatboat:

n.

barge (noun)
ferry, lighter, clam boat, boat.
flatboat (noun)
lighter, barge, hoy.

Other synonyms:

vessel
boat.
Other relevant words:
boat.

Usage examples for flatboat

  1. The flatboat was one we picked up on one of the keys; and the information was precisely what I instructed Quimp to give you, without money and without price. – Fighting for the Right by Oliver Optic
  2. You remember I have often told you of an awning stretched at the stern of the flatboat – Strange True Stories of Louisiana by George Washington Cable
  3. I have promised you the story of my life, my very dear and good friends with whom I have had so much pleasure on board the flatboat which has brought us all to Attakapas. – Strange True Stories of Louisiana by George Washington Cable