Definition of 'greyback'
- `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
Synonyms: Rebel Reb Johnny Reb Johnny
- a dowitcher with a grey back
Synonyms: grayback Limnodromus griseus
- a sandpiper that breeds in the arctic and winters in the southern hemisphere
Synonyms: knot grayback Calidris canutus