Breadcrumb Home > Dictionary > Index P pterygium: Meaning and Definition of Find definitions for: pte•ryg•i•um Pronunciation: (tu-rij'ē-um), [key] — pl. -ryg•i•ums, -ryg•i•a an abnormal triangular mass of thickened conjunctiva extending over the cornea and interfering with vision. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pterygium (Thesaurus) -pterous pterygote TrendingHere are the facts and trivia that people are buzzing about. Chinese New Year History, Meaning, and Celebrations Current Events This Week: February 2024 Valentine's Day Valentine's Day History Mardi Gras 30 "Charlie and the Chocolate Factory" Quotes ✖ Related Content Daily Word Quiz: rosarium Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language