a locomotive moved by steam power generated in its own boiler: still in commercial use in nations that have not yet converted entirely to diesel and electric locomotives.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for steam locomotive
Historical Examples of steam locomotive
Steam-locomotive first used to haul loads on a railroad—Richard Trevethick, England, 1804.The Story of Great Inventions
Elmer Ellsworth Burns