Steamboat

Origin

steam+boat

Full definition of steamboat

Noun

1. A boat or vessel propelled by steam power.1870 By and by the steamboat intruded. Then for fifteen or twenty years, these men continued to run their keelboats down-stream, and the steamers did all of the upstream business, the keelboatmen selling their boats in New Orleans, and returning home as deck passengers in the steamers. — Mark Twain, Life on the Mississippi, Chapter 3.

Synonyms

• steamer, steamship