Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun big_sioux_river

1 sense of big sioux river

Sense 1
Big Sioux River -- (a river that rises in northeastern South Dakota and flows southward to join the Missouri River at Sioux City, Iowa)
       INSTANCE OF=> river -- (a large natural stream of water (larger than a creek); "the river was navigable for 50 miles")