name for a group of related native people in the Columbia River region of Washington and Oregon, from Salishan /činuk/, name of a village site. Name also extended to a type of salmon (1851) and warm spring wind. Chinook jargon was a mish-mash of native, French, and English words once used as a lingua franca in the Pacific Northwest, and it is the earliest attested use of the word (1840).
A moist, warm wind blowing from the sea in coastal regions of the Pacific Northwest.
A warm, dry wind descending from the eastern slopes of the Rocky Mountains, causing a rapid rise in temperature. These winds often melt snow quite rapidly, at times at a rate of up to a foot per hour. See also foehn.