/ Dictionary / Index L leaf mold: Meaning and Definition of Find definitions for: leaf' mold" Pronunciation: [key] a compost or layer of soil consisting chiefly of decayed vegetable matter, esp. leaves. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. leaf miner leaf mustard 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