/ Dictionary / Index A Appalachian Mountains: Meaning and Definition of Find definitions for: Ap'pala'chian Moun'tains Pronunciation: [key] a mountain range in E North America, extending from S Quebec province to N Alabama. Highest peak, Mt. Mitchell, 6684 ft. (2037 m). Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Appalachian Appalachian Spring* Related Content Daily Word Quiz: blithesome Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language