/ Dictionary / Index M middle finger: Meaning and Definition of Find definitions for: mid'dle fin'ger Pronunciation: [key] the finger between the forefinger and the third finger. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Middle English Middle Flemish Related Content Daily Word Quiz: foliage Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language