/ Dictionary / Index P petaline: Meaning and Definition of Find definitions for: pet•al•ine Pronunciation: (pet'l-in, -īn"), [key] — adj. pertaining to or resembling a petal. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. petal petalite Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language