/ Dictionary / Index A arche-: Meaning and Definition of Find definitions for: arche- Pronunciation: [key] a combining form meaning “prior, original, first” (archegonium; archetype); in scientific coinages, a synonym of(archesporium). Arch. E. Pronunciation: [key] Architectural Engineer. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. archdukedom Archean Related Content Daily Word Quiz: fervor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language