quinnat salmon quin·nat·sal·mon uncommon noun 1. large Pacific salmon valued as food; adults die after spawning Synonymschinookchinook salmonking salmonquinnat salmonOnchorynchus tshawtscha Related words Broader terms salmon Parts Onchorynchus Part of chinook salmon WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.