/ Dictionary / Index M Millie: Meaning and Definition of Find definitions for: Mil•lie Pronunciation: (mil'ē), [key] — n. a female given name, form ofor Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. millidegree millieme Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language