seif dune

noun

(in deserts, esp the Sahara) a long ridge of blown sand, often several miles long

Nearby words

  1. seiche,
  2. seidel,
  3. seidlitz powder,
  4. seidlitz powders,
  5. seif,
  6. seifert,
  7. seifert, jaroslav,
  8. seignette's salt,
  9. seigneur,
  10. seigneury

Word Origin for seif dune

seif, from Arabic: sword, from the shape of the dune

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Science definitions for seif dune

seif dune

[sāf, sīf]

A sharp-crested longitudinal sand dune or chain of sand dunes common to the Sahara and ranging up to 300 m (984 ft) in height and 300 km (186 mi) in length.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.