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dune

Syllabification: dune
Pronunciation: /d(y)o͞on
 
/

Definition of dune in English:

noun

A mound or ridge of sand or other loose sediment formed by the wind, especially on the sea coast or in a desert: a sand dune
More example sentences
  • Nothing but vast sand dunes and arid desert far as the eye could see in all directions.
  • It is generally agreed that the linear dunes in the Namib Sand Sea have extended from south to north.
  • The group will face eight days of walking across rocky plateaus, sand dunes and salt pans.
Synonyms
bank, mound, hillock, hummock, knoll, ridge, heap, drift

Origin

late 18th century: from French, from Middle Dutch dūne; related to Old English dūn 'hill' (see down3).

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