/ Dictionary / Index E extralateral: Meaning and Definition of Find definitions for: ex•tra•lat•er•al Pronunciation: (ek"stru-lat'ur-ul), [key] — adj. of or pertaining to the right of a mine owner to the vein or lode of an ore when it extends under an adjacent mining property. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. extrajudicial extralegal Related Content Daily Word Quiz: cetacean Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language