`Johnny was applied as a nickname for Confederate soldiers by the Federal soldiers in the American Civil War; `greyback derived from their grey Confederate uniforms
[ Syn: rebel , reb , johnny reb , johnny ]
a dowitcher with a grey back
[ Syn: grayback , limnodromus griseus ]
a sandpiper that breeds in the Arctic and winters in the southern hemisphere
[ Syn: knot , grayback , calidris canutus ]