[{"word":"rachis","phonetic":"/ˈɹeɪkɪs/","phonetics":[{"text":"/ˈɹeɪkɪs/","audio":""},{"text":"/ˈɹeɪkɪs/","audio":""}],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"The spinal column, or the vertebrae of the spine.","synonyms":[],"antonyms":[]},{"definition":"An anatomical shaft or axis in a marine invertebrate.","synonyms":[],"antonyms":[]},{"definition":"The central shaft of a feather.","synonyms":[],"antonyms":[]},{"definition":"The main shaft of either a compound leaf, head of grain, or fern frond.","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/rachis"]}]