/ Dictionary / Index F filled milk: Meaning and Definition of Find definitions for: filled' milk' Pronunciation: [key] milk containing a substitute for the butterfat. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. filled gold filler Related Content Daily Word Quiz: pristine Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language