/ Dictionary / Index M mucluc: Meaning and Definition of Find definitions for: muc•luc Pronunciation: (muk'luk), [key] — n. mukluk. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mucky muco- Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language