/ Dictionary / Index A arching: Meaning and Definition of Find definitions for: arch•ing Pronunciation: (är'ching), [key] — n. arched work or formation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arching (Thesaurus) archine archipelago Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language