/ Dictionary / Index E El Niño: Meaning and Definition of Find definitions for: El Ni•ño Pronunciation: (el nēn'yō Sp. el nē'nyô), [key] a warm ocean current of variable intensity that develops after late December along the coast of Ecuador and Peru and sometimes causes catastrophic weather conditions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Elmwood Park El Obeid Related Content Daily Word Quiz: impetuous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language