[{"word":"seif","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A sand dune that elongates parallel to the prevailing wind.","synonyms":[],"antonyms":[]}],"synonyms":["longitudinal dune"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/seif"]}]