/ Dictionary / Index L lard oil: Meaning and Definition of Find definitions for: lard' oil" Pronunciation: [key] a colorless or yellowish oil expressed from lard, used chiefly as a lubricant for cutting tools. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Lardner lardon Related Content Daily Word Quiz: tenacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language