from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a long and tall sand dune with a sharp crest; common in the Sahara
from The American Heritage® Dictionary of the English Language, 4th Edition
[Arabic sayf, sword, from Aramaic saypā, of Egyptian origin; akin to Coptic sēfe, sword, from Egyptian sft, from earlier zft.]
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