spot board

noun

Definition of spot board

: a sighting board laid across the rails in advance of a railroad track-raising gang to indicate the required amount of lift

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Learn More About spot board

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Cite this Entry

“Spot board.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/spot%20board. Accessed 28 Nov. 2021.

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