/ Dictionary / Index S scale leaf: Meaning and Definition of Find definitions for: scale' leaf" Pronunciation: [key] a scalelike leaf, as a bud scale or certain bracts. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. scale insect scale moss Related Content Daily Word Quiz: hedonist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language