Breadcrumb Home > Dictionary > Index O octahedron: Meaning and Definition of Find definitions for: oc•ta•he•dron Pronunciation: (ok"tu-hē'drun), [key] — pl. -drons, -dra a solid figure having eight faces. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: octahedron (Thesaurus) octahedrite octal TrendingHere are the facts and trivia that people are buzzing about. The Book of Philippians: Summary Current Events This Week: May 2023 Preamble of the United Nations Charter Queen Victoria Books of the Bible: New Testament Books in Order The 88 Recognized Constellations ✖ Related Content Daily Word Quiz: panache Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language