/ Dictionary / Index I interfinger: Meaning and Definition of Find definitions for: in•ter•fin•ger Pronunciation: (in"tur-fing'gur), [key] — v.i. Geol. (of sedimentary rocks) to change laterally from one type to another in a zone where the two types form interpenetrating wedges. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. interfilling interflow Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language