/ Dictionary / Index H hexahedron: Meaning and Definition of Find definitions for: hex•a•he•dron Pronunciation: (hek"su-hē'drun), [key] — pl. -drons, -dra a solid figure having six faces, as a cube. See illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hexahedron (Thesaurus) hexagram hexahemeron Related Content Daily Word Quiz: serendipity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language