Chi·​nook | \shə-ˈnu̇k, chə-, -ˈnük \
plural Chinook or Chinooks

Definition of Chinook 

1 : a member of an American Indian people of the north shore of the Columbia River at its mouth

2 : a Chinookan language of the Chinook and other nearby peoples

3 or less commonly chinook

a : a warm moist southwest wind of the coast from Oregon northward

b : a warm dry wind that descends the eastern slopes of the Rocky Mountains

4 or less commonly chinook : chinook salmon

First Known Use of Chinook

1795, in the meaning defined at sense 1

History and Etymology for Chinook

Lower Chehalis (Salishan language of western Washington) c̓inúk, name of a Chinook village

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The first known use of Chinook was in 1795

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