デューンFreq.FrequencyTop 100,000Meanings1nounduneA sand dune, typically used in geographical or descriptive contexts. The cross-reference 砂丘 (さきゅう) is the more common native term.See also: 砂丘サハラ砂さ漠ばくには巨きょ大だいなデューンが広ひろがっている。Huge dunes stretch across the Sahara Desert.