/ Dictionary / Index L lateral meristem: Meaning and Definition of Find definitions for: lat'eral mer'istem Pronunciation: [key] meristem located along the sides of a part, as a stem or root. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lateral magnification lateral moraine Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language