Learn how to say Chinook correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word Chinook:
Word forms: plural Chiˈnooks, Chiˈnook
a member of a North American Indian people of the Columbia River valley and adjacent regions
either of two languages spoken by this people, Lower Chinook, now extinct, and Upper Chinook, still spoken in Oregon and Washington
([usually c-]) the warm, dry wind blowing intermittently down the east side of the Rockies during the winter and early spring, which causes the rapid thawing of snow (in full ) chinook wind