gallus gal·lus US/ˈɡælʌs/ uncommon dated us noun 1. elastic straps that hold trousers up (usually used in the plural) Synonymsbracesuspender 2. common domestic birds and related forms Synonymsgenus Gallus Related words Word family suspend Broader terms bird genusclothing Parts Phasianidae Part of strapdomestic fowljungle fowl WordNet 2.1 (Princeton University). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.