oscillating engine

noun

1. a steam engine having piston rods connected directly to the crankshaft and cylinders oscillating on trunnions.

Word History and Origins

Origin of oscillating engine¹

First recorded in 1815–25

Example Sentences

He usually built an oscillating engine, and rarely attached a condenser.

From Project Gutenberg

For smaller vessels, the oscillating engine with feathering paddle-wheels is still largely employed in Europe.

From Project Gutenberg