1. : the slow gyration of the earth's axis in space as a result of lunisolar precession
2. : nutation 2
3. : the wandering of the poles
1. : the slow gyration of the earth's axis in space as a result of lunisolar precession
2. : nutation 2
3. : the wandering of the poles
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012