Noun: precession of the equinoxes
- A slow westward shift of the equinoxes along the plane of the ecliptic caused by precession of the Earth's axis of rotation
"The precession of the equinoxes causes the positions of the stars to slowly change over a period of about 26,000 years"
Derived forms: precessions of the equinoxes
Type of: action, activity, natural action, natural process
Encyclopedia: Precession of the equinoxes