A river that flows for 620 miles (960 km) from northern Colorado, across Wyoming and Nebraska, to the Platte River. Its valley was part of the Oregon Trail.
Definition of North Platte River in US English:
North Platte River
proper noun
A river that flows for 620 miles (960 km) from northern Colorado, across Wyoming and Nebraska, to the Platte River. Its valley was part of the Oregon Trail.