Breadcrumb Home > Dictionary > Index H hendeca-: Meaning and Definition of Find definitions for: hendeca- Pronunciation: [key] a combining form meaning “eleven,” used in the formation of compound words: hendecahedron. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hencoop hendecagon ✖ Related Content Daily Word Quiz: sophism Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language