alluvial plain

noun

Definition of alluvial plain

1 : a level or gently sloping flat or a slightly undulating land surface resulting from extensive deposition of alluvial materials by running water
2 : a plain formed by lateral coalescence of alluvial fans a piedmont alluvial plain — compare bajada

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

First Known Use of alluvial plain

1803, in the meaning defined at sense 1

Learn More About alluvial plain

Time Traveler for alluvial plain

Time Traveler

The first known use of alluvial plain was in 1803

See more words from the same year

Dictionary Entries Near alluvial plain

alluvial fan

alluvial plain

alluvial terrace

See More Nearby Entries 

Statistics for alluvial plain

Cite this Entry

“Alluvial plain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/alluvial%20plain. Accessed 22 Jan. 2022.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon

WORD OF THE DAY

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!