Rocky Mountain bristlecone pine
— Noun
– English
～ small slow-growing upland pine of western United States (Rocky Mountains) having dense branches with fissured rust-brown bark and short needles in bunches of 5 and thorn-tipped cone scales; among the oldest living things some over 4500 years old
Rocky mountain pinon
— Noun
– English
～ small compact two-needled pinon of southwestern United States; important as a nut pine
Rocky Mountain goat
— Noun
– English
～ sure-footed mammal of mountainous northwestern North America
Rocky Mountains
— Noun
– English
～ the chief mountain range of western North America; extends from British Columbia to northern New Mexico; forms the continental divide
Rocky Mountain dogbane
— Noun
– English
～ North American plant similar to common dogbane
Rocky-mountain maple
— Noun
– English
～ small maple of northwestern North America
Rocky Mountain National Park
— Noun
– English
～ a national park in Colorado having mountains and lakes and streams and forests
Rocky Mountain bighorn
— Noun
– English
～ wild sheep of mountainous regions of western North America having massive curled horns