Entry 1 sense Webster, 1913 Gallinaceous · Gal·li·na·ceous · IPA /ɡælɪˈneɪʃəs/ 01 a. Resembling the domestic fowls and pheasants; of or pertaining to the Gallinae. 1. Resembling the domestic fowls and pheasants; of or pertaining to the Gallinae.(Zool.)