greyback means A Confederate soldier during the US Civil War (because of the grey uniforms). Lexicurio rates it Sui generis — a strength score of 91 out of 100.
greyback is pronounced /ˈɡɹeɪbak/.
Etymology
From grey + back.
noun
- A Confederate soldier during the US Civil War (because of the grey uniforms).“...to resist the farther advance of the greybacks.”
- A Confederate States dollar during the US Civil War.
- A louse.“It is alleged by the defendant that there were scabs and greybacks in it, and that it did not come up to the quality of No. 1 slate as contracted for.”
- Any of various grey birds.
- A kind of paperboard with a smooth white surface on one side and a grey surface on the other side.
- A Confederate States dollar.