Submitted by György Chityil ... on Fri, 01/19/2018 - 22:14 Hierarchy: NounDescription: {{geomorphology}} A large desert region of sand dunes with little or no vegetation, especially in the Sahara.Ngram: ergNgram Text: ergSource: WiktionaryIssue: 0Wiktionary tag: geomorphologyNgram Count: 1