grayback has definitions from the fields of zoology,military,work,politics
1
[ noun ] (informal) `johnny' was applied as a nickname for Confederate soldiers by the Federal soldiers in the American Civil War; `grayback' derived from their gray Confederate uniforms

Used in print

(Bell I. Wiley, "Home Letters of Johnny Reb and Billy...)

`` Now I lay me down to sleep , The gray-backs o ' er my body creep ; If they should bite before I wake , I pray the Lord their jaws to break '' `` .

2
[ noun ] (zoology) a dowitcher with a gray back

Related terms

dowitcher

3
[ noun ] (zoology) sandpiper that breeds in the arctic and winters in the S hemisphere

Related terms

sandpiper Calidris

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