[{"word":"sphincters","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A ringlike band of muscle that surrounds a bodily opening, constricting and relaxing as required for normal physiological functioning.","synonyms":[],"antonyms":[],"example":"the iris sphincter in the eye"}],"synonyms":["anatomical sphincter"],"antonyms":[]}],"license":{"name":"CC BY-SA 3.0","url":"https://creativecommons.org/licenses/by-sa/3.0"},"sourceUrls":["https://en.wiktionary.org/wiki/sphincter","https://en.wiktionary.org/wiki/sphincters"]}]