/ Dictionary / Index I infolding: Meaning and Definition of Find definitions for: in•fold•ing Pronunciation: (in-fōl'ding), [key] — n. invagination. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: infolding (Thesaurus) infold infomercial Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language