/ Dictionary / Index S sugar of milk: Meaning and Definition of Find definitions for: sug'ar of milk' Pronunciation: [key] lactose. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sugar of lead sugar orchard Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language