/ Dictionary / Index P petiolar: Meaning and Definition of Find definitions for: pet•i•o•lar Pronunciation: (pet'ē-u-lur, pet"ē-ō'lur), [key] — adj. Bot. of, pertaining to, or growing from a petiole. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pétillant* petiolate 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