/ Dictionary / Index E East Pacific Rise: Meaning and Definition of Find definitions for: East' Pacif'ic Rise' Pronunciation: [key] a long north-south elevation of the sea floor in the E Pacific Ocean extending southward from SW Mexico to the Antarctic Ocean. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. East Orange East Pakistan Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language