sand dune

sand dune (plural sand dunes)

1. (geology) A large, semi-permanent mound of windblown sand, held together by specialized plants, common along seashores and in deserts.
   • 1938, Norman Lindsay, Age of Consent, 1st Australian edition, Sydney, N.S.W.: Ure Smith, published 1962, →OCLC, page 86:

     So enfeebled was resolution in him that he could only palter at a fatuous picture of himself carrying Podson bodily over the lagoon and dumping him on the sand dunes.

• dune

• dunesand, unsadden, unsanded