'Clupea aestivalis' definitions:

Definition of 'Clupea aestivalis'

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]