seif - n., a long narrow sand dune parallel to the prevailing wind direction.
Also known as a longitudinal dune. Some seifs in the Sahara and the Arabian desert are up to 300km long, and reach 300m in height. From Arabic sayf, sword, which should give you a guide to pronunciation.
---L.
Also known as a longitudinal dune. Some seifs in the Sahara and the Arabian desert are up to 300km long, and reach 300m in height. From Arabic sayf, sword, which should give you a guide to pronunciation.
---L.