/ Dictionary / Index P phial: Meaning and Definition of Find definitions for: phi•al Pronunciation: (fī'ul), [key] — n. vial. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: phial (Thesaurus) phi phiale Related Content Daily Word Quiz: miscreant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language