[{"word":"nutation","phonetics":[],"meanings":[{"partOfSpeech":"noun","definitions":[{"definition":"A bobbing motion that accompanies the precession of a spinning rigid body.","synonyms":[],"antonyms":[]},{"definition":"A nodding motion (of the head etc.).","synonyms":[],"antonyms":[]},{"definition":"Any of several irregularities in the precession of the equinoxes caused by varying torque applied to the Earth by the Sun and the Moon.","synonyms":[],"antonyms":[]},{"definition":"The circular motion of the tip of a growing shoot.","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/nutation"]}]