/ Dictionary / Index H -hedron: Meaning and Definition of Find definitions for: -hedron Pronunciation: [key] a combining form meaning “face,” used in the names of geometrical solid figures having the form or number of faces specified by the initial element: tetrahedron. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. -hedral Hedy Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language