SINCE 1828
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running rail

noun
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Definition of running rail

: a rail that acts as a running surface for the flanged wheels of a car or locomotive — compare guardrail, third rail

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First Known Use of running rail

1847, in the meaning defined above

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The first known use of running rail was in 1847

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Dictionary Entries Near running rail

running pine

running rail

running rigging

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Cite this Entry

“Running rail.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/running%20rail. Accessed 25 Jan. 2022.

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