/ Dictionary / Index P phylo-: Meaning and Definition of Find definitions for: phylo- Pronunciation: [key] a combining form meaning “race,” “tribe,” “kind”: phylogeny. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phylloxera phylogenetic classification Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language