/ Dictionary / Index S Snake River: Meaning and Definition of Find definitions for: Snake' Riv'er Pronunciation: [key] a river flowing from NW Wyoming through S Idaho into the Columbia River in SE Washington: Shoshone Falls. 1038 mi. (1670 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. snake plant snakeroot Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language