a natural elevation of the earth's surface rising more or less abruptly to a summit, and attaining an altitude greater than that of a hill, usually greater than 2000 ft. (610 m).
a large mass of something resembling this, as in shape or size.
a huge amount: a mountain of incoming mail.
(cap.) a steam locomotive having a four-wheeled front truck, eight driving wheels, and a two-wheeled rear truck. See table under
a sweet Malaga wine.
See(def. 2).
—adj.
of or pertaining to mountains: mountain air.
living, growing, or located in the mountains: mountain people.