blueback
noun
blue·back
ˈblü-ˌbak
1
: any of various fishes (such as lake herring or glut herring) having a blue or bluish color on the back
especially
: blueback herring
2
[so called from the contrast of the blue ink used on its back to the green ink used on the back of the Northern greenback] archaic
: a paper note of Confederate money
3
: a bluish discoloration of the backs of turkeys resulting from dissemination of feather pigment through the skin when immature feathers are broken
4
[so called from the color of the coat]
: a young hooded seal
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“Blueback.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/blueback. Accessed 25 Nov. 2024.
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