Blueback

1. n. An American river herring (Clupea aestivalis), closely allied to the alewife.
2. n. A trout (Salmo oquassa) inhabiting some of the lakes of Maine.
3. n. A salmon (Oncorhynchus nerka) of the Columbia River and northward.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.