What is the meaning of Chinook?

noun

• A warm dry wind blowing down the eastern slopes of the Rockies.
  • synonyms: chinook wind, snow eater
• A member of an important North American Indian people who controlled the mouth of the Columbia river; they were organized into settlements rather than tribes.
• Pink or white flesh of large Pacific salmon.
  • synonyms: chinook salmon, king salmon
• A Penutian language spoken by the Chinook.
  • synonyms: Chinookan
• Large Pacific salmon valued as food; adults die after spawning.
  • synonyms: chinook salmon, king salmon, quinnat salmon, Oncorhynchus tshawytscha