noun (used with a plural verb)
- a mountain range in Italy, extending across the length of the entire peninsula from NW to SW. Highest peak, Monte Corno, 9585 feet (2922 meters).
- a mountain range in Italy, extending over 1250 km (800 miles) from the northwest to the southernmost tip of the peninsula. Highest peak: Monte Corno, 2912 m (9554 ft)
- a mountain range lying in the N quadrants of the moon, extending over 950 km along the SE border of the Mare Imbrium and rising to 6200 m