WordWeb Online

1. A dowitcher with a grey back
   - greyback [Brit, Cdn], Limnodromus griseus
    
2. A sandpiper that breeds in the Arctic and winters in the southern hemisphere
   - knot, greyback [Brit, Cdn], Calidris canutus
    
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
   - Rebel, Reb, Johnny Reb, Johnny, greyback [Brit, Cdn]

Derived forms: graybacks

Type of: Confederate soldier, dowitcher, sandpiper

Part of: Calidris, genus Calidris

Encyclopedia: Grayback