We found 2 dictionaries that define the word onion river:

General (2 matching dictionaries)

1. Onion River (Minnesota), Onion River: Wikipedia, the Free Encyclopedia

Definitions from Wikipedia (Onion River) ▸ noun:  a U.S. Geological Survey. ▸ Words similar to onion river ▸ Usage examples for onion river ▸ Idioms related to onion river ▸ Wikipedia articles (New!) ▸ Words that often appear near onion river ▸ Rhymes of onion river ▸ Invented words related to onion river