[{"word":"retinas","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The thin layer of cells at the back of the eyeball where light is converted into neural signals sent to the brain.","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/retina","https://en.wiktionary.org/wiki/retinas"]}]