a vast region of North America east of the Rocky Mountains, extending from the lowlands of the Mackenzie River (Canada), south to the Big Bend of the Rio Grande
WordReference Random House Unabridged Dictionary of American English © 2025
Great′ Plains′,
- Place Namesa semiarid region E of the Rocky Mountains, in the U.S. and Canada.
Collins Concise English Dictionary © HarperCollins Publishers::
'Great Plains' also found in these entries (note: many are not synonyms or translations):
Colorado
- Dakota
- Far West
- Folsom
- Llano Estacado
- Montana
- North America
- Plains Indian
- Prairie Provinces
- Rocky Mountain locust
- South Dakota
- United States of America
- Wyoming
- Yankton
- Yanktonai
- boundary
- crested wheatgrass
- great
- northern oriole
- plain
- plainsman
- prior
- sand bluestem
- shortgrass
- sod house