chi·nook 
(shĭ-nk, chĭ-)
(shĭ-nk, chĭ-)n.
1. A moist warm wind blowing from the sea in coastal regions of the Pacific Northwest.
2. A warm dry wind that descends from the eastern slopes of the Rocky Mountains, causing a rapid rise in temperature.
3. A Chinook salmon.
[After the CHINOOK.]