Noun
a ridge of sand created by the wind; found in deserts or near lakes and oceans
Source: WordNetsand-dune
It is the largest urban sand dune in the world. Source: Internet
Start out with a sand dune at dawn and end the day with a sand dune alone beneath a shroud of stars. Source: Internet
Further along from Brean lies Berrow beach, which has a section protected as a Site of Special Scientific Interest because of its rare sand dune habitat. Source: Internet
The Challenge started with a 2.5-mile run, including a 100-yard climb up the sand dune. Source: Internet
Wade (1914), p.51 The Ogmore Bay at Ogmore-by-Sea is not only floored with sand but is also backed by high and extensive sand dune system, these impressive natural sand features are commonly known as the Merthyr Mawr sand dunes. Source: Internet
However, more recent phases of sand dune activity have obscured these ancient landscapes inhabited by earlier human populations. Source: Internet