beefbeef1 /bif/ ●●● noun 1[uncountable] meat from a cow: roast beefTHESAURUSmeat, veal, pork, ham, bacon► see thesaurus at meat2[countable] informal a complaint: The guy had a beef with the manager and yelled at him for about 15 minutes. [Origin: 1100–1200 Old French buef, from Latin bos “ox”]