a range of low mountains in NE Oregon and SE Washington.
a mountain range in the US, in NE Oregon and SE Washington. Highest peak: Rock Creek Butte, 2773 m (9097 ft)
a mountain range in the Caribbean, in E Jamaica: Blue Mountain coffee is grown on its slopes. Highest peak: Blue Mountain Peak, 2256 m (7402 ft)
a plateau in SE Australia, in E New South Wales: part of the Great Dividing Range. Highest part: about 1134 m (3871 ft)
a deep-sea sediment of fine silt and clay that derives its bluish color from organic material and iron sulfide. Historical Examples Narrative of a Survey of the Intertropical and Western Coasts of Australia] [Volume 2 of 2] Phillip Parker King
noun (informal) a great outcry, noise; horrible din (esp in such phrases as cry, howl, scream, etc, blue murder)