a river in the northwestern US, rising in NW Wyoming and flowing west through Idaho, turning north as part of the border between Idaho and Oregon, and flowing west to the Columbia River near Pasco, Washington. Length: 1670 km (1038 miles)
Snake River in American English
river in the NW U.S., flowing from Yellowstone National Park into the Columbia River in Wash.: 1,038 mi (1,670 km)
Word origin
transl. (prob. erroneous) of earlier Shoshone River