/ Dictionary / Index C chinook salmon: Meaning and Definition of Find definitions for: chinook' salm'on Pronunciation: [key] a large salmon, Oncorhynchus tshawytscha, found in the northern Pacific Ocean. Also calledSee illus. under Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Chinook Jargon chinquapin Related Content Daily Word Quiz: deleterious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language