beam engine

noun

1. an early type of steam engine, in which a pivoted beam is vibrated by a vertical steam cylinder at one end, so that it transmits motion to the workload, such as a pump, at the other end

Example Sentences

Stevens continued his work of improving the beam-engine for many years.

From Project Gutenberg

The beam-engine is a peculiarly American type, seldom if ever seen abroad.

From Project Gutenberg