Breadcrumb Home > Dictionary > Index Q quindecagon: Meaning and Definition of Find definitions for: quin•dec•a•gon Pronunciation: (kwin-dek'u-gon"), [key] — n. Geom. a polygon having 15 angles and 15 sides. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Quincy quindecennial TrendingHere are the facts and trivia that people are buzzing about. The Olympian Gods and Goddesses (Their Names & Powers) The Largest States in the U.S. by Area Current Events This Week: March 2023 Christina Rossetti: Jesus, Do I Love Thee? 10 Biggest Waterfalls in the World (Tallest, Widest, & Most Volume!) World Religions: What People Believe and Where ✖ Related Content Daily Word Quiz: mugwump Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language