sb. dial. The Guinea-fowl.
1825. Hone, Every-day Bk., I. 536. The pintados called come-backs squall.
1869. R. B. Peacock, Lonsdale Gloss. (Philol. Soc.). Come-back, a name given to the guinea fowl, from its common cry, which sounds like the words Come back.
1888. Elworthy, W. Somerset Word.-bk.