/ Dictionary / Index C Chinookan: Meaning and Definition of Find definitions for: Chi•nook•an Pronunciation: (shi-nook'un, -n'kun, chi-), [key] — n. a language family comprising only Lower Chinook and Upper Chinook. —adj. of or pertaining to the Chinooks or to Chinookan. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: chinookan (Thesaurus) Chinook Chinook Jargon 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