Ap•en•ninesPronunciation: (ap'u-nīnz"), [key]
—n. (used with a pl. v.)
a mountain range in Italy, extending across the length of the entire peninsula from NW to SW. Highest peak, Monte Corno, 9585 ft. (2922 m).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.