Dune: meaning, definitions and examples

natural formation

A dune is a hill of sand built by the wind or the action of water. Dunes are typically found in deserts and along coastlines, where winds have sufficient strength to move sand particles. They can vary in shape and size, with some reaching great heights. Dunes play an essential role in coastal and desert ecosystems, providing habitats for various plant and animal species.

hillock, mound, sandhill

Examples of usage

• The desert was dotted with towering sand dunes.

• We watched the sun set behind the rolling dunes at the beach.

• Children love to climb up and slide down the steep dunes.

• The dunes shifted with the winds, changing the landscape.