gallinaceous bird gal·li·na·ceousbird uncommon noun 1. heavy-bodied largely ground-feeding domestic or game birds Synonymsgallinaceous birdgallinacean Related words Broader terms bird Narrower terms domestic fowljungle fowlocellated turkeyguancurassowchachalacamegapodehoatzin Parts Galliformes Part of comb WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.