Vocabulary What does 砂丘 (さきゅう, sakyuu) mean? 砂丘 (さきゅう, sakyuu) means sand dune; sand hill. Quick factsReadingさきゅうRomajisakyuuPart of speechnoun 砂丘さきゅうsakyuusand dune; sand hill1noun sand dune; sand hillAlso written: 沙丘Kanji in this word砂sand丘hill, mound