'Blueback' definitions:
Definition of 'Blueback'
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]
Definition of 'blueback'
From: GCIDE
- Nerka \Ner"ka\, n. [Russ. niarka, prob. fr. native name.] (Zool.) The most important salmon of Alaska (Oncorhinchus nerka), ascending in spring most rivers and lakes from Alaska to Oregon, Washington, and Idaho; -- called also red salmon, redfish, blueback, and sawqui. [Webster 1913 Suppl.]