greyback

noun

1

a sandpiper that breeds in the Arctic and winters in the southern hemisphere

Synonym: knot grayback Calidris canutus

2

a dowitcher with a grey back

Synonym: grayback Limnodromus griseus

3

`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

Synonym: Rebel Reb Johnny Reb Johnny