1. a river that rises in eastern Kansas and flows eastward into Oklahoma to become a tributary of the Arkansas River; [syn: Neosho, Neosho River]
WordNet (r) 3.0 (2006):
Neosho River
n 1: a river that rises in eastern Kansas and flows eastward
into Oklahoma to become a tributary of the Arkansas River
[syn: Neosho, Neosho River]