Definition of seif
: a long narrow sand dune or chain of dunes extending in a direction parallel to that of the wind responsible for its construction
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of seif
Arabic saif sword
Seen and Heard
What made you want to look up seif? Please tell us where you read or heard it (including the quote, if possible).