/ Thesaurus / P Synonyms of precession of the equinoxes Find synonyms for: Noun1. precession of the equinoxes, natural process, natural action, action, activityusage: a slow westward shift of the equinoxes along the plane of the ecliptic caused by precession of the Earth's axis of rotationWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language