/ Dictionary / Index P phano: Meaning and Definition of Find definitions for: phan•o Pronunciation: (fan'ō), [key] — pl. phan•os. fanon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Phanerozoic phanotron Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language