from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A hill or ridge of wind-blown sand.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A ridge or hill of sand piled up by the wind.

from the GNU version of the Collaborative International Dictionary of English

  • n. A low hill of drifting sand usually formed on the coats, but often carried far inland by the prevailing winds.

from The Century Dictionary and Cyclopedia

  • n. A mound, ridge, or hill of loose sand, heaped up by the wind on the sea-coast, or rarely on the shore of a large lake, as on Lake Superior.
  • n. An ancient fort with a hemispherical or conical roof.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a ridge of sand created by the wind; found in deserts or near lakes and oceans


French, from Old French, from Middle Dutch dūne.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Cognate with Old and Modern French dune, Middle Dutch dūne, Dutch duin, compare English down. (Wiktionary)


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