sand pipe

noun

Definition of sand pipe

1 : a pipe containing sand or serving as a channel for sand (as on a locomotive)
2 : a tubular cavity from a few inches to many feet in depth formed by solution especially in calcareous rocks and often filled with gravel and sand

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Cite this Entry

“Sand pipe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sand%20pipe. Accessed 1 Oct. 2020.

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