Meaning of seif in English:
seif
noun
(also seif dune)
A sand dune in the form of a long, narrow ridge.
- ‘Linear or seif dunes occur in areas of more variable winds and show less lateral movement; star-shaped dunes develop in areas of very variable winds and show little lateral movement and considerable vertical accretion.’
Pronunciation
Origin
Early 20th century from Arabic sayf ‘sword’ (because of the shape).
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