/ Dictionary / Index M mucro: Meaning and Definition of Find definitions for: mu•cro Pronunciation: (my'krō), [key] — pl. mu•cro•nes a short point projecting abruptly, as at the end of a leaf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. mucoviscidosis mucronate Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language