Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A crescent-shaped dune, reaching heights of up to 30 meters (98 feet) and widths of 350 meters (1,148 feet), and having a steep, concave leeward side with crescent tips pointing downwind.

Etymologies

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

[Russian barkhan, barchan dune, from Kazakh barxan; akin to Uighur bargan, dune that moves.]

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