/ Dictionary / Index A Apennine Mountains: Meaning and Definition of Find definitions for: Ap'en•nine Moun'tains Pronunciation: (ap'u-nīn"), [key] Apennines. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ape-man Apennines Related Content Daily Word Quiz: winsome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language