[{"word":"helicon","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A large tuba whose coils fit around the player's shoulders.","synonyms":[],"antonyms":[]},{"definition":"A low-frequency electromagnetic wave observed in various plasmas.","synonyms":[],"antonyms":[]}],"synonyms":[],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/helicon"]}]