game birdEnglishOxford New American Dictionarygame bird /ˈɡām ˌbərd, ˈɡeɪm ˌbərd / ▸ noun 1 a bird hunted for sport or food. 2 a bird of a large group that includes pheasants, grouse, quails, guineafowl, guans, etc. Order Galliformes: several families.