n 1: (informal) `johnny' was applied as a nickname for
Confederate soldiers by the Federal soldiers in the
American Civil War; `grayback' derived from their gray
Confederate uniforms [syn: Rebel, Reb, Johnny Reb, Johnny]
2: a dowitcher with a gray back [syn: Limnodromus griseus]
3: sandpiper that breeds in the arctic and winters in the S
hemisphere [syn: knot, Calidris canutus]