/ Dictionary / Index E equinoctial point: Meaning and Definition of Find definitions for: e'quinoc'tial point' Pronunciation: [key] either of the two points at which the celestial equator and the ecliptic intersect each other; the position of the sun's center at the equinoxes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. equinoctial line equinoctial rains Related Content Daily Word Quiz: lyceum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language