/ Dictionary / Index A arciform: Meaning and Definition of Find definitions for: ar•ci•form Pronunciation: (är'su-fôrm"), [key] — adj. resembling an arch in appearance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: arciform (Thesaurus) Archy Arcimboldi Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language