alluvium
noun
Forms alluviums alluvia
- noun soil, clay, silt or gravel deposited by flowing water, as it slows, in a river bed, delta, estuary or flood plain
Synonyms
Etymology
From Medieval Latin alluvium (“matter deposited by flowing water”), neuter of alluvius (“deposited by a river”), from Latin alluviō (“washing upon, overflowing”). See also al-.
Webster’s 1913
- noun Deposits of earth, sand, gravel, and other transported matter, made by rivers, floods, or other causes, upon land not permanently submerged beneath the waters of lakes or seas. Lyell.
Etymology [L., neut. of alluvius. See Alluvious.]
Sources: Wiktionary · WordNet 3.0 · Webster’s 1913 — from the Wiktionary entry “alluvium”, CC BY-SA 4.0. Details