cimarron river is a noun meaning "a river that rises in northeastern New Mexico and flows eastward into Oklahoma where it becomes a tributary of the Arkansas River". It carries one recorded sense.
a river that rises in northeastern New Mexico and flows eastward into Oklahoma where it becomes a tributary of the Arkansas River
Definitions, synonyms and semantic relations for cimarron river come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.