Desert Landform With Crests Created by the Wind

Puzzle 16 of Deserts Medium Pack

Question is: Desert Landform With Crests Created by the Wind

and the answer is: SANDDUNE

Word Meaning:

SAND DUNE — (geology) A large, semipermanent mound of windblown sand, held together by specialized plants, common along seashores and in deserts.

Definitions from Wiktionary.