Breadcrumb Home > Dictionary > Index H hendecahedron: Meaning and Definition of Find definitions for: hen•dec•a•he•dron Pronunciation: (hen-dek"u-hē'drun, hen"dek-), [key] — pl. -drons, -dra a solid figure having 11 faces. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hendecagon hendecasyllabic ✖ Related Content Daily Word Quiz: ultimathule Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language