/ Dictionary / Index V valve lifter: Meaning and Definition of Find definitions for: valve' lift"er Pronunciation: [key] — Auto., Mach. Auto.,Mach. (in an internal-combustion engine) a tappet that opens a valve when actuated by a camshaft. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. valvelet valve stem Related Content Daily Word Quiz: banshee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language