of, relating to, or belonging to the Galliformes, an order of birds, including domestic fowl, pheasants, grouse, etc, having a heavy rounded body, short bill, and strong legs
2.
of, relating to, or resembling the domestic fowl
Word origin
C18: from Latin gallīnāceus, from gallīna hen
gallinaceous in American English
(ˌgælɪˈneɪʃəs)
adjective
of an order (Galliformes) of birds that nest on the ground, including turkeys, chickens, pheasants, and grouse