half-pounder noun 5adjective 1forms 2 noun5 •A beef hamburger sandwich whose patty weighed approximately half a pound prior to being cooked. •A burger sandwich with a patty of such an uncooked weight, of an alternative to beef. •A burger patty of such an uncooked weight. •A food item similar to a patty of such an uncooked weight, such as a meatball. •A sandwich weighing approximately half a pound. adjective1 •Having a weight of a 1/2 of a pound. formshalf pounders · half-pounders