/ Dictionary / Index I interfilling: Meaning and Definition of Find definitions for: in•ter•fill•ing Pronunciation: (in'tur-fil"ing), [key] — n. Building Trades. a filling of materials, as brickwork between studs. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. interfile interfinger 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