Term: butternut (Civil War)
Definition: many soldiers of the Confederacy wore uniforms colored a yellowish-brown by dye made of copperas and walnut hulls. The term later became a synonym for the soldier
[Source: http://www.citrus.k12.fl.us/staffdev/social%20studies/PDF/Slang%20of%20the%20American%20Civil%20War.pdf, Slang of the American Civil War. (Citrus County Schools, Florida)]