/ Dictionary / Index C Chinook Jargon: Meaning and Definition of Find definitions for: Chinook' Jar'gon Pronunciation: [key] a pidgin based largely on Nootka, Lower Chinook, French, and English, once widely used as a lingua franca from Alaska to Oregon. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Chinookan chinook salmon 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