Breadcrumb Home > Dictionary > Index D dodecagon: Meaning and Definition of Find definitions for: do•dec•a•gon Pronunciation: (dō-dek'u-gon", -gun), [key] — n. Geom. a polygon having 12 angles and 12 sides. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: dodecagon (Thesaurus) dodeca- dodecahedron TrendingHere are the facts and trivia that people are buzzing about. The Book of 1 Corinthians: Summary Current Events This Week: June 2023 Languages Spoken in Each Country of the World Aesop's Fables: Aesop's Fables Milestones in Environmental Protection The 12 Labors of Hercules (In Order) ✖ Related Content Daily Word Quiz: spelunk Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language