/ Dictionary / Index K Kootenay Lake: Meaning and Definition of Find definitions for: Koo'tenay Lake' Pronunciation: [key] a lake in W Canada, in S British Columbia. 64 mi. (103 km) long. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Kootenay kop Related Content Daily Word Quiz: stringent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language