alluvial terrace

noun

Definition of alluvial terrace

: a river terrace composed of alluvium rather than carved in solid rock, resulting from a change in the regimen of the stream from alluviation to downcutting

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First Known Use of alluvial terrace

1817, in the meaning defined above

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The first known use of alluvial terrace was in 1817

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Cite this Entry

“Alluvial terrace.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alluvial%20terrace. Accessed 23 Oct. 2020.

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