sand boil

noun

: a bubbling spring sometimes several feet in diameter that bursts through the ground at the back of a river levee and is caused by the water in the river at flood stages being forced under the levee through a pervious stratum of sand or silt

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Cite this Entry

“Sand boil.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/sand%20boil. Accessed 25 Mar. 2023.

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