/ Dictionary / Index M micrococcus: Meaning and Definition of Find definitions for: mi•cro•coc•cus Pronunciation: (mī"kru-kok'us), [key] — pl. -coc•ci any spherical bacterium of the genus Micrococcus, occurring in irregular masses, many species of which are pigmented and are saprophytic or parasitic. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: micrococcus (Thesaurus) microcline microcode Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language