Term: seif dune: a long and tall sand dune with a sharp crest; common in the Sahara
Broader: ridge: a long narrow natural elevation or striation | Unrelated: clever dick: an intellectual who is ostentatiously and irritatingly knowledgeable
Broader: ridge: a long narrow natural elevation or striation | Unrelated: clip: any of various small fasteners used to hold loose articles together
Broader: ridge: a long narrow natural elevation or striation | Unrelated: limestone: a sedimentary rock consisting mainly of calcium that was deposited by the remains of marine animals
Broader: ridge: a long narrow natural elevation or striation | Unrelated: line: a fortified position (especially one marking the most forward position of troops)
Broader: ridge: a long narrow natural elevation or striation | Unrelated: military law: the body of laws and rules of conduct administered by military courts for the discipline, trial, and punishment of military personnel
Broader: ridge: a long narrow natural elevation or striation | Unrelated: small change: a trifling sum of money
Broader: ridge: a long narrow natural elevation or striation | Unrelated: cementite: a chemical compound that is a constituent of steel and cast iron; very hard and brittle
Broader: ridge: a long narrow natural elevation or striation | Unrelated: step: a solid block joined to the beams in which the heel of a ship's mast or capstan is fixed
Broader: ridge: a long narrow natural elevation or striation | Unrelated: tagalog: the language of the Tagalog on which Filipino is based
Broader: ridge: a long narrow natural elevation or striation | Unrelated: lanyard: (nautical) a line used for extending or fastening rigging on ships