/ Dictionary / Index L L-head engine: Meaning and Definition of Find definitions for: L-head engine Pronunciation: (el'hed"), [key] an internal-combustion engine having the intake and exhaust valves arranged in a chamber along one side of the pistons. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. L.H.D. Lhevinne 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