Meaning of the word "sand dune" in English

What does "sand dune" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

sand dune

US /sænd duːn/
UK /sænd duːn/
"sand dune" picture

Noun

1.

a mound or ridge of sand heaped up by the wind, found in deserts or on the coast

Example:
The desert landscape was dominated by towering sand dunes.
Children love to play and roll down the sand dunes at the beach.
Synonym:
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