/ Dictionary / Index P pediococcus: Meaning and Definition of Find definitions for: ped•i•o•coc•cus Pronunciation: (ped"ē-u-kok'us), [key] — pl. -coc•ci any of several spherical, facultatively anaerobic bacteria of the genus Pediococcus, producing acid and clouding in beer and wort. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pediment pedion Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language