/ Dictionary / Index L lateral canal: Meaning and Definition of Find definitions for: lat'eral canal' Pronunciation: [key] a canal running parallel to a stream that is inconvenient or impossible to navigate. one of a number of irrigation canals distributing water from a main canal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lateral bud lateral chain Related Content Daily Word Quiz: malady Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language