Definition of dune in English:

dune

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

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).

More definitions of dune

Definition of dune in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space