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Webster 1913 Edition
Gallinaceous
Galˊli-na′ceous
,Adj.
[L. 
gallinaceus
, fr. gallina 
hen, fr. gallus 
cock.] (Zool.) 
Resembling the domestic fowls and pheasants; of or pertaining to the Gallinae. 
Webster 1828 Edition
Gallinaceous
GALLINA'CEOUS
,Adj.
  1.
  Designating that order of fowls called gallinoe, including the domestic fowls or those of the pheasant kind.Gallinaceus Lapis, a glossy substance produced by volcanic fires; the lapis obsidianus of the ancients.  A kind of it brought from Peru is of a beautiful black, or crow-color, like the gallinaco.
Definition 2025
gallinaceous
gallinaceous
English
Adjective
gallinaceous (comparative more gallinaceous, superlative most gallinaceous)
- (zoology) related to the genus Gallus, poultry; notably said of the order Galliformes.