steam locomotive

noun

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. 2018

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