/ Dictionary / Index K Kootenay: Meaning and Definition of Find definitions for: Koo•te•nay Pronunciation: (kt'n-ā", -n-ē"), [key] — n. a river flowing from SW Canada through NW Montana and N Idaho, swinging back into Canada to the Columbia River. 400 mi. (645 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. kootchar Kootenay Lake Related Content Daily Word Quiz: arboreal Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language