beamengine

noun
UK /ˈbiːmˌɛndʒɪn/
US /ˈbiːmˌɛndʒɪn/

A beam engine is a big old machine that uses a moving arm to pump water or run other machines.

The old beam engine in the museum still moves its big arm up and down.


OTHER MEANINGS

2. A steam engine in which a rocking beam transfers power from a vertical cylinder to a pump or crank.

The beam engine powered the mine's water pump for over a century.

3. A type of early industrial engine often preserved as a heritage exhibit.

Visitors watched the restored beam engine turn slowly under steam.

4. Any engine whose motion is transmitted through a pivoted horizontal beam.

Engineers studied the beam engine to understand early mechanical linkages.