outwash

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noun

The sediment (mostly sand and gravel) deposited by water flowing from a melting glacier.

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Meanings

nounoutwash (countable and uncountable, plural outwashes)

plural outwashes

  1. countableuncountablegeographyThe sediment (mostly sand and gravel) deposited by water flowing from a melting glacier.

Origin

From out- + wash. Compare Middle English outwashen (“to wash out; rinse”).

Full word history & related roots →

Rhymes & wordplay

Anagrams

washout
Cite this entry
APA

outwash. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/outwash

MLA

“outwash.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/outwash. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “outwash,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/outwash.

Source: outwash on Wiktionary, CC BY-SA 4.0.