noun
(cooking) A beef hamburger sandwich whose patty weighed approximately half a pound prior to being cooked.
(cooking) A burger sandwich with a patty of such an uncooked weight, of an alternative to beef.
(cooking) A burger patty of such an uncooked weight.
(cooking) A food item similar to a patty of such an uncooked weight, such as a meatball.
(cooking) A sandwich weighing approximately half a pound.
Used other than figuratively or idiomatically: see half, pounder: Anything weighing half a pound.
adjective
Having a weight of a 1/2 of a pound.