Definition of blueback
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
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
First Known Use of blueback
Seen and Heard
What made you want to look up blueback? Please tell us where you read or heard it (including the quote, if possible).