[{"word":"tetragonal","phonetics":[],"meanings":[{"partOfSpeech":"adjective","definitions":[{"definition":"Having four sides, like a tetragon.","synonyms":["quadrilateral"],"antonyms":[]},{"definition":"Having two equal axes and one unequal, and all angles 90°.","synonyms":[],"antonyms":[]}],"synonyms":["quadrilateral"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/tetragonal"]}]