Crossword Genius

Build-up of grains (4,4)

Ross

I believe the answer is:

sand dune

(Other definitions for sand dune that I've seen before include "Small hill by the seaside" , "Ridge created by the wind in deserts and near oceans" , "Small hill beside the sea" .)

I've seen this clue in The Guardian.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.