'Oncorhynchus nerka' definitions:

Definition of 'Oncorhynchus nerka'

From: WordNet
noun
Small salmon with red flesh; found in rivers and tributaries of the northern Pacific and valued as food; adults die after spawning [syn: sockeye, sockeye salmon, red salmon, blueback salmon, Oncorhynchus nerka]

Definition of 'Oncorhynchus nerka'

From: GCIDE
  • Blueback \Blue"back`\, n. (Zool.) (a) A trout (Salmo oquassa) inhabiting some of the lakes of Maine. (b) A salmon (Oncorhynchus nerka) of the Columbia River and northward. (c) An American river herring (Clupea [ae]stivalis), closely allied to the alewife. [1913 Webster]