1. Nickname for a Confederate soldier, used by Federal soldiers in the American Civil War
   "The Union scouts reported seeing greybacks across the river";
   - Rebel, Reb [US, informal], Johnny Reb [US, informal], Johnny [US, archaic], grayback [US]
    
2. A dowitcher with a grey back
   "The greyback's long bill probed deep into the marsh mud";
   - grayback [US], Limnodromus griseus
    
3. A sandpiper that breeds in the Arctic and winters in the Southern Hemisphere
   "Thousands of greybacks stopped at the bay during their long migration";
   - knot, grayback [US], Calidris canutus

Derived forms: greybacks

Type of: Confederate soldier, dowitcher, sandpiper

Part of: Calidris, genus Calidris

Encyclopedia: Greyback