1. Of or pertaining to a mountain or mountains; growing or living on a mountain; found on or peculiar to mountains; among mountains; as, a mountain torrent; mountain pines; mountain goats; mountain air; mountain howitzer.
2. Like a mountain; mountainous; vast; very great. ”The high, the mountain majesty of worth.
(Science: zoology)” (Byron) Mountain anthelope, the goral.
(Science: botany) Mountain ash, a ground pigeon of jamaica, of the genus Geotrygon.