/ Dictionary / Index P phycobiont: Meaning and Definition of Find definitions for: phy•co•bi•ont Pronunciation: (fī"kō-bī'ont), [key] — n. the algae component of a lichen. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phyco- phycocyanin Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language