the largest species (Oncorhynchus tshawytscha) of Pacific salmon: it is an endangered species
or chinook salmon
A large salmon (Oncorhynchus tshawytscha) native to northern Pacific waters and stocked in the Great Lakes, characterized by irregular black spots on the back and tail fin. Also called king salmon . Also called quinnat salmon .
(usually uncountable, plural chinook salmon or chinook salmons)
- Oncorhynchus tschawytscha, the largest species in the Pacific salmon family.