/ Dictionary / Index L lug wrench: Meaning and Definition of Find definitions for: lug' wrench" Pronunciation: [key] a wrench for loosening or tightening lug nuts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. lugworm Luhsien 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