noun
dune
dyoon
noun
1
A mound or ridge of loose sand shaped by wind or water.
"The children raced each other up the tallest dune on the beach."
"Desert dunes can shift entire metres in a single storm."
How to Use Dune
Learner’s notesIn plain EnglishA hill of sand piled up naturally, found on beaches and in deserts.
Common pairings
sand dune
dune buggy
rolling dunes
Word Forms
dunes plural
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The children raced each other up the tallest _____ on the beach.
Etymology
From Dutch duin via Middle Dutch, itself thought to trace back to a Celtic word for a fortified mound — the same root that gave English the word "down" (as in the South Downs).