Definition of gallinaceous
: of or relating to an order (Galliformes) of heavy-bodied largely terrestrial birds including the pheasants, turkeys, grouse, and the common domestic chicken
Origin and Etymology of gallinaceous
Latin gallinaceus of domestic fowl, from gallina hen, from gallus cock
First Known Use: 1693
Learn More about gallinaceous
Seen and Heard
What made you want to look up gallinaceous? Please tell us where you read or heard it (including the quote, if possible).