dune

from WordNet (r) 3.0 (2006)
dune
    n 1: a ridge of sand created by the wind; found in deserts or
         near lakes and oceans [syn: {dune}, {sand dune}]
from The Collaborative International Dictionary of English v.0.48
Dune \Dune\ (d[=u]n), n. [The same word as down: cf. D. duin.
   See {Down} a bank of sand.]
   A low hill of drifting sand usually formed on the coats, but
   often carried far inland by the prevailing winds. [Written
   also {dun}.]
   [1913 Webster]

         Three great rivers, the Rhine, the Meuse, and the
         Scheldt, had deposited their slime for ages among the
         dunes or sand banks heaved up by the ocean around their
         mouths.                                  --Motley.
   [1913 Webster]
from Moby Thesaurus II by Grady Ward, 1.0
35 Moby Thesaurus words for "dune":
      anthill, bank, barrow, brae, butte, cock, down, drift, drumlin,
      embankment, fell, foothills, haycock, haymow, hayrick, haystack,
      heap, hill, hillock, hummock, knob, knoll, molehill, monticle,
      monticule, moor, mound, mow, pile, pyramid, rick, sand dune,
      snowdrift, stack, swell
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