/ Dictionary / Index E equinoctial rains: Meaning and Definition of Find definitions for: e'quinoc'tial rains' Pronunciation: [key] rainy seasons that occur, in numerous regions near the equator, near or soon after the times of the equinoxes. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. equinoctial point equinoctial storm 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