/ Dictionary / Index I index finger: Meaning and Definition of Find definitions for: in'dex fin"ger Pronunciation: [key] forefinger. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Index Expurgatorius* index fossil 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