1. of, relating to, or belonging to the family of birds that includes chickens, turkeys, pheasants, and quails
Usage: technical/zoological term; often used in ornithology and biology

Examples

• Chickens and turkeys are gallinaceous birds commonly raised on farms.
• The gallinaceous family includes some of the most important game birds in North America.
• Pheasants belong to the gallinaceous order Galliformes.
• Many gallinaceous species have distinctive tail feathers and colorful plumage.
• The farmer kept several gallinaceous fowl in the barnyard.