[{"word":"gastrocnemius","phonetic":"/ˌɡæstɹəkˈniːmiəs/","phonetics":[{"text":"/ˌɡæstɹəkˈniːmiəs/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The muscle at the back of the calf, whose insertion is the Achilles tendon at the heel.","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/gastrocnemius"]}]