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lantern wheel
noun
- a wheel, used like a pinion, consisting essentially of two parallel disks or heads whose peripheries are connected by a series of bars that engage with the teeth of another wheel.
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Word History and Origins
Origin of lantern wheel1
First recorded in 1785–95
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Example Sentences
There are three railway-tracks; the central one is cogged; the "lantern wheel" of the engine grips its way along these cogs, and pulls the train up the hill or retards its motion on the down trip.
From Project Gutenberg
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