chinookPronunciation: /tʃɪˈnuːk, -nʊk, ʃɪ-/Definition of chinook noun 1 (also chinook wind) a warm dry wind which blows down the east side of the Rocky Mountains at the end of winter. 2 (also chinook salmon) a large North Pacific salmon which is an important food fish. Oncorhynchus tshawytscha, family Salmonidae Origin: mid 19th century: from attributive use of Chinookchinook in other Oxford dictionaries Definition of chinook in the US English dictionary
