/ 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: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language