sand dune
US /sænd duːn/
UK /sænd duːn/

1.
kum tepesi, dün
a mound or ridge of sand heaped up by the wind, found in deserts or on the coast
:
•
The desert landscape was dominated by towering sand dunes.
Çöl manzarasına yükselen kum tepeleri hakimdi.
•
Children love to play and roll down the sand dunes at the beach.
Çocuklar plajdaki kum tepelerinde oynamayı ve yuvarlanmayı severler.