seif dune

seif dune  (sf, sf)

n.

A sharp-crested longitudinal sand dune common to the Sahara and ranging up to 300 m (984 ft) in height and 300 km (186 mi) in length.

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[Arabic sayf, sword, from Aramaic sayp, of Egyptian origin; akin to Coptic sfe, sword.]

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seif dune [seɪf]

n

(Earth Sciences / Physical Geography) (in deserts, esp the Sahara) a long ridge of blown sand, often several miles long

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

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seif dune  (sf, sf)

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.

Thesaurus

Noun

1.

seif dune - a long and tall sand dune with a sharp crest; common in the Sahara dune, sand dune - a ridge of sand created by the wind; found in deserts or near lakes and oceans