grayback
[
grey
-bak]
/ˈgreɪˌbæk/
noun
1.
any of various marine and aquatic animals that are dark
gray
above and light-colored or white below, as the
gray whale
, the alewife, certain whitefish, and certain sandpipers.
2.
Informal.
a Confederate soldier.
Origin
1805-15;
gray
1
+
back
1
British Dictionary definitions for
grayback
greyback
/
ˈɡreɪˌbæk
/
noun
1.
any of various animals having a grey back, such as the grey whale and the hooded crow